OpenTechnical

OT-2026-000045502

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000045502) never changes.

Identity and time

Publication numberOT-2026-000045502 · never reused
Internal UUID01a0ae7c-f76d-70ae-a06e-b396edf96a8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045502
StatusPUBLIC

Content hashes

Canonical text66a3e41b77091d96975f52fceb33fa2052306da01d184d849c5d456bc7db12b0
Markdownf1d2feb9c9e4f7ab5c94068afdeeaca3d70cb85da8f54fcf7807bb528db421d8
PDF
Publication page30598f94c8d6e8a7df8d9c999f781d35044858c0e92abbbd01c4083807e52897
Manifest2a112c673d0685348f0c61dd495e6fc2156d5f91d397d237c316ca1ce95cce84

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
SignatureBfA6F+73ZcOjhA0FWQVcHBIkCs67082ygVT/Km4tqRiR6IJc4ijMr3d3vr+f8KvsnZZR/JJLqRZoq+Wyc1S5AQ==
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

2026-09-17T11:11:19.263659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045502
observed 30598f94c8d6e8a7df8d9c999f781d35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.244337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045502/manifest.json
observed 2a112c673d0685348f0c61dd495e6fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.226757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045502/publication.md
observed f1d2feb9c9e4f7ab5c94068afdeeaca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:19.208779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045502/publication.txt
observed 66a3e41b77091d96975f52fceb33fa20...
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.