OpenTechnical

OT-2026-000056773

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump 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-2026-000056773) never changes.

Identity and time

Publication numberOT-2026-000056773 · never reused
Internal UUID01a0ae87-7af7-7607-9b22-c032842e5692 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056773
StatusPUBLIC

Content hashes

Canonical text02dfa2163ae1ce5494c1a3a9a71d07e8372fb38e025299058b10bf9c049e8761
Markdown6702a97497433e7c8c467051bc6037835a6675ef027553170abc8ec6ea1bdb41
PDF
Publication paged154eca69b2ea98e1763da6e328b0330234009cfe8efa89124c05ba8868d7ac3
Manifesta6d67915b8d730a662b9f113f357998cd7e9c346f5ef6dc8c1027273a77e7ab6

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
Signatureo+t3LY8qAiGjvRhNxnht+o3/WrIw4Dr1XVZpI0QsHIneN2OU5eUzQeCmKhZoBIQFQiX1a5OoUwyvH906QcMHAg==
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

2026-09-17T10:50:14.853188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056773
observed d154eca69b2ea98e1763da6e328b0330...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.833673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056773/manifest.json
observed a6d67915b8d730a662b9f113f357998c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.814798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056773/publication.md
observed 6702a97497433e7c8c467051bc603783...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:14.796786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056773/publication.txt
observed 02dfa2163ae1ce5494c1a3a9a71d07e8...
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.