OpenTechnical

OT-2026-000040547

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000040547) never changes.

Identity and time

Publication numberOT-2026-000040547 · never reused
Internal UUID01a0ae79-6d0d-76cb-a68e-8aeca2a28c24 · 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-2026-000040547
StatusPUBLIC

Content hashes

Canonical text32ce964418bf19f18e4319e2de6460e5a87cc496aa09d43f4c0b4aeebf9bba50
Markdown1816487dc7c8506bebc342274e753d3abd6f521df47919b545b9c6277494097f
PDF
Publication pageaebe4e5ed6529aa32136a6821b8fe2d08b07a49f727c935fac91d682c0433554
Manifest000e04399b41b522393b311afb5b7a434bd698296d06313c0d8ec3be6aa22353

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
SignatureQc15lf20AvFGOfYwoFlTJa37KCuCxJeBtOF4QnEgfnXNNJWyBFpB3HbnHKjet+s14b07SaJOoLv0NOg7O+WhBg==
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

2026-09-17T11:17:42.165215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040547
observed aebe4e5ed6529aa32136a6821b8fe2d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.146392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040547/manifest.json
observed 000e04399b41b522393b311afb5b7a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.128828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040547/publication.md
observed 1816487dc7c8506bebc342274e753d3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:42.109767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040547/publication.txt
observed 32ce964418bf19f18e4319e2de6460e5...
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.