OpenTechnical

OT-2026-000012357

Publication integrity record

Two cup vacuum gripper, two 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-2026-000012357) never changes.

Identity and time

Publication numberOT-2026-000012357 · never reused
Internal UUID01a0ae6d-39f6-7b8c-aba6-1cbfa7fbb7e8 · 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-2026-000012357
StatusPUBLIC

Content hashes

Canonical text091013e34d32a82a409f88cf9314f937e142280ffbf9f5cbc2ec1744d11b0e22
Markdown7b0b0853ebec571a23ff701a8891605cadb9ded03799d3bb3a5507d376fb4a63
PDF
Publication pagefbaa1b077c72cae8598e3313751f7b469acb07c472ce9a1898fca3bc6d21645f
Manifest3ad3d575061aac6b0339b98b2452fa8d36b1632876238cc45e82147acc3a0ec1

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
SignatureKDSfDfgAaoKwpTB0eVx6RMJ0KZmXdOEWNxPxtHpBzyKBTQT1+qafQfcMS9/5zGcJ4ZOhn3JjqWuEov2GOtFcCg==
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

2026-09-17T12:11:50.464821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012357
observed fbaa1b077c72cae8598e3313751f7b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.446470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012357/manifest.json
observed 3ad3d575061aac6b0339b98b2452fa8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.427565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012357/publication.md
observed 7b0b0853ebec571a23ff701a8891605c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:50.408681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012357/publication.txt
observed 091013e34d32a82a409f88cf9314f937...
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.