OT-2026-000014050
Publication integrity record
Foam pad vacuum gripper, three stage ejector, 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-2026-000014050) never changes.
Identity and time
| Publication number | OT-2026-000014050 · never reused |
|---|---|
| Internal UUID | 01a0ae6d-8deb-735e-ac3c-41e29fb8d1d1 · UUIDv7, RFC 9562 |
| Publication timestamp | 2026-09-17T08:13:30.489074Z Recorded by the publication infrastructure in UTC, not taken from the submission. |
| Canonical URL | https://opentechnical.org/p/OT-2026-000014050 |
| Status | PUBLIC |
Content hashes
| Canonical text | a946041ad2c498491607935fc214c9155be2352da7608a5c4ff65a20ce4c1992 |
|---|---|
| Markdown | 821a4bf9f66ab46884236b2be879b6773b2aa651bc983bd218c3e79fa0e14fc1 |
| Publication page | bfc1508bc8273e4e6c2273509448f5a73394e09fa800ae01cd32b1f5ee258854 |
| Manifest | 3f3ee53069f8aeaddee22457319f140a70ed3baccd3d70f2fd75be89a2cb438f |
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 | pgez5sVgxsJc5A261vM1TW3kbSIClYfAV7GjRowyTYZeeKmIPULgcQGw7+89vJ45jz5LkAV1U5R/Rgg9XyIeAg== |
| 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... |
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Independent retrieval
| 2026-09-29T00:41:21.376335Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014050observed bfc1508bc8273e4e6c2273509448f5a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
|---|---|
| 2026-09-29T00:41:21.287590Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014050/manifest.jsonobserved 3f3ee53069f8aeaddee22457319f140a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:21.193250Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014050/publication.mdobserved 821a4bf9f66ab46884236b2be879b677...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-29T00:41:21.096456Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014050/publication.txtobserved a946041ad2c498491607935fc214c915...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:03.210663Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014050observed bfc1508bc8273e4e6c2273509448f5a7...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:03.119563Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014050/manifest.jsonobserved 3f3ee53069f8aeaddee22457319f140a...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:03.062754Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014050/publication.mdobserved 821a4bf9f66ab46884236b2be879b677...fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139 |
| 2026-09-23T04:41:03.004615Z | HTTP 200 · MATCHhttps://opentechnical.org/p/OT-2026-000014050/publication.txtobserved a946041ad2c498491607935fc214c915...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 |
|---|