OpenTechnical

OT-2026-000012593

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000012593) never changes.

Identity and time

Publication numberOT-2026-000012593 · never reused
Internal UUID01a0ae6d-39f7-7a39-9ab8-97e5ff84888e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012593
StatusPUBLIC

Content hashes

Canonical text9d5465c80e0cff3e3a7aeb0616e90627793fdd94a7b989d2625d71144ffe8f0b
Markdowna55e73e49de7370a690618eb1efcf60aec1b607955750b1c2d6caa97355e8bec
PDF
Publication page1ec38353afcc71b0737778a8f1d313d889569ed4d95265933609552ee01bd600
Manifeste61c3327f5fc7d881ffb151d128c6b5d31b7aae919308f7c954527b7589e507b

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
Signatureyi0zaHmI1g7s4WDwDBdIXZivUnxM8qNkkHElmZbuaGRAOilrxXEkT51+j9+LewQYJwdjnplM4Bii4EfUQ0kxAQ==
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

2026-09-17T12:12:09.053476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012593
observed 1ec38353afcc71b0737778a8f1d313d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.032971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012593/manifest.json
observed e61c3327f5fc7d881ffb151d128c6b5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:09.014414ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012593/publication.md
observed a55e73e49de7370a690618eb1efcf60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:08.993959ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012593/publication.txt
observed 9d5465c80e0cff3e3a7aeb0616e90627...
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.