OpenTechnical

OT-2026-000040775

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000040775) never changes.

Identity and time

Publication numberOT-2026-000040775 · never reused
Internal UUID01a0ae79-6d0f-7b48-9a33-9ae3dd8cb406 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040775
StatusPUBLIC

Content hashes

Canonical text85edaa3be5fc14cae400a12d57baf2b5a49bf25ea69f4f97fd7b49dccd182566
Markdown48ccd963a136e058450866e153f0b2c0ac24490f767fbd202c408521ecc62b55
PDF
Publication pagea711808de2885a235cc52c05157722d5ae3b3cb468fb8b2f6ca197c0e6bb9199
Manifest50856cac113bae43221840e4474ff3c00dc843deae4fdc54ce950b986717bbb7

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
SignaturetV2uII/bH7EQ2mFx/fLWmKXqk/2sh8fyDOyYUBy6r8cPfbZvF6BYUoDeFtVIB41938LUOfSz7aFGokw3oDfBAw==
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

2026-09-17T11:20:04.694866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040775
observed a711808de2885a235cc52c05157722d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.677990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040775/manifest.json
observed 50856cac113bae43221840e4474ff3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.658373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040775/publication.md
observed 48ccd963a136e058450866e153f0b2c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:04.640982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040775/publication.txt
observed 85edaa3be5fc14cae400a12d57baf2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.532373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040775
observed a711808de2885a235cc52c05157722d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.514145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040775/manifest.json
observed 50856cac113bae43221840e4474ff3c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.497408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040775/publication.md
observed 48ccd963a136e058450866e153f0b2c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:32.478707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040775/publication.txt
observed 85edaa3be5fc14cae400a12d57baf2b5...
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.