OpenTechnical

OT-2026-000054925

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000054925) never changes.

Identity and time

Publication numberOT-2026-000054925 · never reused
Internal UUID01a0ae86-5e7f-77f5-9c24-afec4649d8fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054925
StatusPUBLIC

Content hashes

Canonical text376d6e4f5c19fa9c3703123de364774c253dba073cc0a5ac4900492a90795679
Markdownabf5760c4fe57ed812ba5aacdd8fb91de2905e8d3ec0b839998091e8b9debc4b
PDF
Publication page2a8c8d1be7dc38db6e104404c17343d32d2a0ceb7f1bd5cd95d229b4279d7a38
Manifest95737fafc22b2369664b3b8bd2ecbd1760cbca946bc84dc337484db6d9e9730d

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
Signature7oqXwjABmnA84moMLFkyw6BUcPt4VJbwyfEkSK8d/YaatzYoyx29cLC2vS5THMeryByVHl3Y/fhpi9hrAmxfDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:01.638131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054925
observed 2a8c8d1be7dc38db6e104404c17343d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.620564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054925/manifest.json
observed 95737fafc22b2369664b3b8bd2ecbd17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.602857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054925/publication.md
observed abf5760c4fe57ed812ba5aacdd8fb91d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:01.582839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054925/publication.txt
observed 376d6e4f5c19fa9c3703123de364774c...
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.