OpenTechnical

OT-2026-000052796

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000052796) never changes.

Identity and time

Publication numberOT-2026-000052796 · never reused
Internal UUID01a0ae84-a42e-732a-b005-42738c4a35e4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052796
StatusPUBLIC

Content hashes

Canonical text6181cd086f25bb123f9f178365b257349bc7a76758b2a9afc25b0a6be536f319
Markdown59c9d6fec31dafc9b2c79039cd08a234f49b6228d1b81c066de7b493583e544d
PDF
Publication pagee0e175e9d1c053131fa2d8aa79513d5bd474b7eedc4bc969739e925b0fb8d958
Manifestc1d966ba0851212fe984dda4476d0dc32019b9edb06dd71c6d489912b48d92da

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
SignatureEjYNHwHftHxq5pGBauVkveJh+k9hGycP7hbEcgRs+o9pNN/gkvFVqtNIJJwq52IlWgF4E1LdkqaXi3cqDVNaBg==
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

2026-09-17T10:55:48.658383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052796
observed e0e175e9d1c053131fa2d8aa79513d5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.640074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052796/manifest.json
observed c1d966ba0851212fe984dda4476d0dc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.623275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052796/publication.md
observed 59c9d6fec31dafc9b2c79039cd08a234...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:48.605601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052796/publication.txt
observed 6181cd086f25bb123f9f178365b25734...
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.