OpenTechnical

OT-2026-000032367

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000032367) never changes.

Identity and time

Publication numberOT-2026-000032367 · never reused
Internal UUID01a0ae75-106e-7696-8cf3-33ce4da06462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032367
StatusPUBLIC

Content hashes

Canonical textc5965e73fd51327ba41994a17e450a5cd507c19076c3d7a2ad4c1be76ed616f7
Markdownd7dc7617c57a48350605e308e92d1fe56621b0503eb9481cc64f2489466ffc45
PDF
Publication page336551eb1e898ffce9179f39d27948a6aea73beabdb5cda3397af7379688f9b6
Manifest433737c404e614ab51d73eb10a8db337ff6bbf47005e3b313afda07ed92224c6

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
SignaturefGi9vJoCILC31F6LV4lQPZh3i3pdJ2SWXFnZFvoGcIjAMM/XL1FoR1HnUrRhU+NhGvxzA1QzdOnqWkTAKiZdAg==
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

2026-10-31T20:41:27.768701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032367
observed 336551eb1e898ffce9179f39d27948a6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T20:41:27.720592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032367/manifest.json
observed 433737c404e614ab51d73eb10a8db337...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T20:41:27.655203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032367/publication.md
observed d7dc7617c57a48350605e308e92d1fe5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-31T20:41:27.568582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032367/publication.txt
observed c5965e73fd51327ba41994a17e450a5c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T04:41:26.668901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032367
observed 336551eb1e898ffce9179f39d27948a6...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T04:41:26.606561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032367/manifest.json
observed 433737c404e614ab51d73eb10a8db337...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T04:41:26.533607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032367/publication.md
observed d7dc7617c57a48350605e308e92d1fe5...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-19T04:41:26.363570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032367/publication.txt
observed c5965e73fd51327ba41994a17e450a5c...
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 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