OpenTechnical

OT-2026-000076927

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pressure sensor per zone, 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-2026-000076927) never changes.

Identity and time

Publication numberOT-2026-000076927 · never reused
Internal UUID01a0ae94-b071-7794-8a17-aac9c0a62e5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076927
StatusPUBLIC

Content hashes

Canonical text1d7b37f2beaa8fd3df159985310b43a2a986220227c9fd8d4f1c298e5a39d1d7
Markdownedfb236b53fe73cfd6713ab6b65e8755ae515a9a0459f449024ca64fad2a4026
PDF
Publication pagebfe9b8c3a2132ddba2dbe3d973494fd4e9ceafcacefd4d114c8c5dd5503129da
Manifest7c9b8ecae6381cde64f20bd1fcc422c03018295e58a2316689ca0a8d6153578e

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
SignatureQBaebEGXJtfILVerHjHz7pP+t4eXLrkATXfTg9oR4bJoA53Bn3RJiN+hNYXuoSqwk2CT3msuk968+9GZS7AhAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:09:52.738879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076927
observed bfe9b8c3a2132ddba2dbe3d973494fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.720466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076927/manifest.json
observed 7c9b8ecae6381cde64f20bd1fcc422c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.702140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076927/publication.md
observed edfb236b53fe73cfd6713ab6b65e8755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:52.561592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076927/publication.txt
observed 1d7b37f2beaa8fd3df159985310b43a2...
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.