OpenTechnical

OT-2026-000086295

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained 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-2026-000086295) never changes.

Identity and time

Publication numberOT-2026-000086295 · never reused
Internal UUID01a0ae9a-2c95-7150-8159-09be6fb86477 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086295
StatusPUBLIC

Content hashes

Canonical textcbb161c88b0edc92a7075bbbcce5b13deb319cb9d074d6a6878d8e590c62bf63
Markdown0b4d682c44f3ea73cc0b0b5bf723db5c4d293a58f8c52c3883dba8aa3884f03c
PDF
Publication pagee8dcd941f6d4102a0dfbc08b4956586c373a3d0222a3f98196aa2dfdd7f846b2
Manifestb55e3541f3cadef9fdb5186e490fe0e111b0df227753964c4b914f8ed0677952

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
SignatureeQlGFVJUemHptdvTLLuiwm5uitRvMbuzhhSnE5A+pmUK0zbsz9DMIJj65O96eGyw/JWLYtan2dLVtdvfHLaPAg==
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

2026-09-17T09:51:58.384690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086295
observed e8dcd941f6d4102a0dfbc08b4956586c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.365845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086295/manifest.json
observed b55e3541f3cadef9fdb5186e490fe0e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.349906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086295/publication.md
observed 0b4d682c44f3ea73cc0b0b5bf723db5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:58.333548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086295/publication.txt
observed cbb161c88b0edc92a7075bbbcce5b13d...
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.