OpenTechnical

OT-2026-000014956

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off 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-2026-000014956) never changes.

Identity and time

Publication numberOT-2026-000014956 · never reused
Internal UUID01a0ae6d-d095-7c33-ad19-d18159a844a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014956
StatusPUBLIC

Content hashes

Canonical text38b7150b2195359b455b815b1c01b41a8c09d74608f987883c310a9e9ded4b2a
Markdown59b8e3442c86e9ccde2f27e2815fac494178b29806dee6d4750aba90d02e0612
PDF
Publication page76e61255c19c80f471a3217666844a40b16857193656b3e8591ee8a32f80eae7
Manifest8479390ef70d76852c9c4c21a76aaf67e0a03e6338d8d65c378db0ac6e9a3786

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
SignatureSQhJObqZGV7HAlWFyo2GOJFiGQ6p48KOPeWrenpStJHRmgKdGlR1c+GUeAA8iJgoee+4iMk1UYEoMKTxWx1lAA==
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

2026-09-17T12:06:54.493168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014956
observed 76e61255c19c80f471a3217666844a40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.475979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014956/manifest.json
observed 8479390ef70d76852c9c4c21a76aaf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.457697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014956/publication.md
observed 59b8e3442c86e9ccde2f27e2815fac49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:54.438534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014956/publication.txt
observed 38b7150b2195359b455b815b1c01b41a...
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.