OpenTechnical

OT-2026-000052529

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000052529) never changes.

Identity and time

Publication numberOT-2026-000052529 · never reused
Internal UUID01a0ae84-573a-7eaf-a45a-65f6a2679880 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052529
StatusPUBLIC

Content hashes

Canonical text5332b62e6c80caeda5e59ccfd9a21e309f0a1cf582e96c9f2fb550ab5a807e7c
Markdownb1c839203e6b31728bf2136fb3e537540a8dd564514409f9a080594f5ba51608
PDF
Publication pagebaf711b8c37aa4d71ee09133f2458f8132d24ba80e0fa8bea08c3a3d26f895cf
Manifest9bd22ec542e4682f84a2108a9c5976dfcb11f03d420d3b9d5f101f40528407ac

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
SignatureDSJvYQwlAmkzMQ2I5fCrqI/Kvu1+YgFBfGD+7ti4KqL1RLQM68FL53i/9nsNKl998IFbJT/v2xoRorccH66uCA==
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

2026-09-17T10:57:10.535512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052529
observed baf711b8c37aa4d71ee09133f2458f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.518686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052529/manifest.json
observed 9bd22ec542e4682f84a2108a9c5976df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.500464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052529/publication.md
observed b1c839203e6b31728bf2136fb3e53754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:10.481812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052529/publication.txt
observed 5332b62e6c80caeda5e59ccfd9a21e30...
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.