OpenTechnical

OT-2026-000052258

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000052258) never changes.

Identity and time

Publication numberOT-2026-000052258 · never reused
Internal UUID01a0ae83-e791-749a-aeea-6b1c5dc080e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052258
StatusPUBLIC

Content hashes

Canonical textc4e5ae86086f353eb42c42dfae6ca946f6b6734516711e36bf294ddc4d6bc44a
Markdown527f7a346b42d48a5cb85a83c0e746cbaa062dd001c343f744ae66d99caf139c
PDF
Publication pagec8d823878563223bb751c5953ea01816bcade29df2263e22b6cc75ff9bbb2eb8
Manifest48b848d0b607ef96ed38caf7b3d8073920222c32e311e514cdf79599459da412

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
SignaturevDvkLczCL+qEN9kGlaneoD28UNHELHsmKGImUflBdxPoG/Cot350OV3pcFw+Vcu3VIbspHrrpgZihCA3ATRzDQ==
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

2026-09-17T10:57:50.559050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052258
observed c8d823878563223bb751c5953ea01816...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.538841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052258/manifest.json
observed 48b848d0b607ef96ed38caf7b3d80739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.518661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052258/publication.md
observed 527f7a346b42d48a5cb85a83c0e746cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:50.499178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052258/publication.txt
observed c4e5ae86086f353eb42c42dfae6ca946...
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.