OT-2026-000019152
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer
This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000019152) never changes.
Identity and time
| Publication number | OT-2026-000019152 · never reused |
|---|---|
| Internal UUID | 01a0ae6e-f391-73b7-88e8-084ed1422ca4 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:15:02.050431Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000019152 |
| Status | PUBLIC |
Content hashes
| Canonical text | 4538bcf14183d6580fa2f1a127b1672ebff890f05ad1b2de1cffe02b7b506441 |
|---|---|
| Markdown | 3ee72e690e2b41d15b7d5e53dec2513791b08115b17ca04409789f2dcfac4fc0 |
| Publication page | 36fdb2cf0e251fe81f5e6ff20bcb9c0c4d62f5952cce3fc07871196b7b6cc1b5 |
| Manifest | 7b2aba15c14e349c598298111ae020ed5c6e5a20e92e9921c9bae3e832250e31 |
SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.
Manifest signature
| Algorithm | Ed25519 · key
OT-SIGN-2026-01 · Verified |
|---|---|
| Signature | aTbLu9Rhh0KeNRFMIsfdFzI9tFHWFvmhadd+PkWCZxfKr4lfDdAtsb8UapJSMTCbgXYr8XZTWS1/HZ4Q16XQCg== |
| Public key | /integrity/keys · every key we have ever used stays published |
Trusted external timestamp
| timestamp.digicert.com | 2026-09-17T08:42:32Z batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof root 7c99e0163c3f1d2dc0f1dec0442e2af7... |
|---|
Independent retrieval
| 2026-10-24T00:41:30.122833Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019152observed 36fdb2cf0e251fe81f5e6ff20bcb9c0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-10-24T00:41:30.040864Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019152/manifest.jsonobserved 7b2aba15c14e349c598298111ae020ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:29.963394Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019152/publication.mdobserved 3ee72e690e2b41d15b7d5e53dec25137...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-24T00:41:29.716573Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019152/publication.txtobserved 4538bcf14183d6580fa2f1a127b1672e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:40.761793Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019152observed 36fdb2cf0e251fe81f5e6ff20bcb9c0c...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:40.687332Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019152/manifest.jsonobserved 7b2aba15c14e349c598298111ae020ed...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:40.612968Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019152/publication.mdobserved 3ee72e690e2b41d15b7d5e53dec25137...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-10-23T16:41:40.457614Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000019152/publication.txtobserved 4538bcf14183d6580fa2f1a127b1672e...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.
Independent archive
| External archive | Pending Canonical URLs are submitted to an independent archive in batches. |
|---|
A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.
Third-party custody
| OT-CUSTODY-2026-W38 | OpenTechnical-Custody-2026-W38.tar.zstf2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent |
|---|