OT-2026-000028972
Publication integrity record
Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, sustained blow-off before set-down
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-2026-000028972) never changes.
Identity and time
| Publication number | OT-2026-000028972 · never reused |
|---|---|
| Internal UUID | 01a0ae73-2a9e-7152-9808-67078ca04eed · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:19:38.288761Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000028972 |
| Status | PUBLIC |
Content hashes
| Canonical text | 0e5acf728bb12f4d5ee349dbbeacc6ff258fbaadecdb3dcda2f126c0c401250e |
|---|---|
| Markdown | 01fff1421abebef63ba4577cf857792f5c26bc3a2617ef6265b796c8d0a1a029 |
| Publication page | 078bc2afa12994806faaf123d4e93cdf558c2854c530c95bbab4e6474551c3f3 |
| Manifest | 677a1690d8ea890a42832bf92a792387a97c6f8b922a424ded75f7718f2bd780 |
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 | cF0KtfEOjdryIjqF8KIJB26WdyyqvcBNwAM5ydbJtlHJDFs2Zd16FXWKeAFKYKlu/ibSbG0sPj9eRyDJdMM1Dw== |
| 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
| 2026-09-17T20:42:16.113880Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028972observed 078bc2afa12994806faaf123d4e93cdf...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-17T20:42:15.659453Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028972/manifest.jsonobserved 677a1690d8ea890a42832bf92a792387...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:15.318823Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028972/publication.mdobserved 01fff1421abebef63ba4577cf857792f...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T20:42:15.079558Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028972/publication.txtobserved 0e5acf728bb12f4d5ee349dbbeacc6ff...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.049565Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028972observed 078bc2afa12994806faaf123d4e93cdf...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.030431Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028972/manifest.jsonobserved 677a1690d8ea890a42832bf92a792387...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:29.013323Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028972/publication.mdobserved 01fff1421abebef63ba4577cf857792f...fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139 |
| 2026-09-17T08:20:28.995623Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000028972/publication.txtobserved 0e5acf728bb12f4d5ee349dbbeacc6ff...fetched by instance-3.rotem.ai from 34.69.0.72, 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
| Custody package | Pending Custody packages are produced weekly. |
|---|