OpenTechnical

OT-2026-000073276

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000073276) never changes.

Identity and time

Publication numberOT-2026-000073276 · never reused
Internal UUID01a0ae92-efb7-75f0-acb6-5e15a823ae66 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073276
StatusPUBLIC

Content hashes

Canonical text232ce8cd7439aa1700ff892edec06eb2a29db63f9da4ebc9ffc3bc9d643eb178
Markdown1874248ec98e0c77fd2cffd9ba0bdf579bf5c2f921fb88197c9d49b3444f80d3
PDF
Publication page4ba1d81e6fd8bfd66620100b1e416fdd1974b1ebc58b64cdee0391bee18af9f7
Manifest65c7e96cb594a5ee3c47037c119070df6f1c8aa735580d4b20ff41589a855e7f

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
Signature6H/7J2ySaQHp5bEpqoi7Idujbvrr7hqXwNcTOIn7huvPuKCHDXvdNc1j7WcWWW9LZ8R+yL1reQIufmWKtzQFCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:16.765992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073276
observed 4ba1d81e6fd8bfd66620100b1e416fdd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.746278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073276/manifest.json
observed 65c7e96cb594a5ee3c47037c119070df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.727676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073276/publication.md
observed 1874248ec98e0c77fd2cffd9ba0bdf57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:16.710021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073276/publication.txt
observed 232ce8cd7439aa1700ff892edec06eb2...
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.