OpenTechnical

OT-2026-000077010

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented 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-2026-000077010) never changes.

Identity and time

Publication numberOT-2026-000077010 · never reused
Internal UUID01a0ae94-b071-7ed5-8963-49606188e4dd · 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-2026-000077010
StatusPUBLIC

Content hashes

Canonical text1bc6cc44eef64f497aa81fbbeabd863d2f1bb1795304ad18f3afa32de796e258
Markdowncbb817fbe708dcd43f3d81c9b0c79d93555adc65658549857fa54a1943ff4e19
PDF
Publication page42bca239a619b21f74f5b0d0c1dd59e4cf26a5248120b37e0b00541ec6a7f9f7
Manifest37c5d82da3264cf648972721c46ded9a74ed716a64e217a8bc5215f213a4a008

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
Signaturep57NT6+U7VSKAaQGEWMTjeZ/+r2gYKGjMvdOLla2+eSMbrFmFdy3XEkR3v4XW+ao9aq+L8OgDvtTaNDfWTxDBA==
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

2026-09-17T10:10:22.702030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077010
observed 42bca239a619b21f74f5b0d0c1dd59e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.559955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077010/manifest.json
observed 37c5d82da3264cf648972721c46ded9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.541476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077010/publication.md
observed cbb817fbe708dcd43f3d81c9b0c79d93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:22.522092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077010/publication.txt
observed 1bc6cc44eef64f497aa81fbbeabd863d...
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.