OpenTechnical

OT-2026-000010562

Publication integrity record

Four cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, vented after 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-2026-000010562) never changes.

Identity and time

Publication numberOT-2026-000010562 · never reused
Internal UUID01a0ae6c-0ee7-7e74-94fe-4cb7e2b354b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010562
StatusPUBLIC

Content hashes

Canonical text5412e0a09bde82a3e47e29f3a532e341caf367f63549e56294c89dd165fb9314
Markdown01f313bd7c2a7d6a46a90dda22f55e00a591a2aa92c9675be9ae24686e420349
PDF
Publication pagefd57348a6f266938e0a324b25c5b786c1e44f4dbc0277c8b28d12a64ab2359ba
Manifest9dd4db9c763c02aca369633346feaab18ed1ff3788bf19a8141a10bb5b4f1b6b

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
Signaturei22g4rNZfA/kDj5GFmZX8uQI95J+I+TP7eL/Eln/OvC/S9kVpXio1iVtW16/dww4ayqpg1p6hmr8J/8gmcX0CQ==
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

2026-09-17T12:14:44.190175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010562
observed fd57348a6f266938e0a324b25c5b786c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.169781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010562/manifest.json
observed 9dd4db9c763c02aca369633346feaab1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.146609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010562/publication.md
observed 01f313bd7c2a7d6a46a90dda22f55e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:44.125389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010562/publication.txt
observed 5412e0a09bde82a3e47e29f3a532e341...
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

Custody packagePending Custody packages are produced weekly.