OpenTechnical

OT-2026-000017303

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, 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-2026-000017303) never changes.

Identity and time

Publication numberOT-2026-000017303 · never reused
Internal UUID01a0ae6e-76c8-7555-b3c0-b1ebb6a07f32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017303
StatusPUBLIC

Content hashes

Canonical text4e69d26fcd14501f2595d4ed0bb9cacdddb331f38b2271f508c1f34e86aa8214
Markdown849783ef03e56726684afb0a4a4c9ffacf6b003a0d792f6071649f732800d5e8
PDF
Publication page7fe96d78a02e79d48988a14660f73593a1a4553f58824931018f9b29984e59c2
Manifest57800e2342371a0cac646f380192fbe0dee618a11efff5e2924487e17c44b072

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signatured95VU0K28owV8Iq3ksSHCstGV417mI6BvZW8I+vICyRYXIUpwWEgGplwDOE+0wLRJ9/rNe0ubUiZ4AK+w409AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:24.281751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017303
observed 7fe96d78a02e79d48988a14660f73593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.264255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017303/manifest.json
observed 57800e2342371a0cac646f380192fbe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.246567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017303/publication.md
observed 849783ef03e56726684afb0a4a4c9ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:24.229204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017303/publication.txt
observed 4e69d26fcd14501f2595d4ed0bb9cacd...
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 archivePending 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-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent