OpenTechnical

OT-2026-000071375

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000071375) never changes.

Identity and time

Publication numberOT-2026-000071375 · never reused
Internal UUID01a0ae91-e0ed-7e94-a6b6-5912d67ff91b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071375
StatusPUBLIC

Content hashes

Canonical text93f2a2f990f381dcb25f21cd1bf03e8cf2f944c2ae3c4af3eb8d315b724e3f16
Markdown87a3abbf64c33b3a6b308058317915885008da13e33a0c2c6c0ef8a995d7d485
PDF
Publication page760e21097c5f466e21ef7cebce8e95e618fd72932ec386c342b880913bc45e37
Manifest8d872c1bf0c2f3edd56c3edb01b0692a9014fb61f7e50c320bf65e075edab53b

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
SignatureivOSQEjSDo5+SnGsElM1adBsiWmIjQI/R3gnWjXBlUNRjNDgKCxa5ipbDo6eJI1OddTJhxqmK9f+66VQzNBRAQ==
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

2026-09-17T10:24:59.480897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071375
observed 760e21097c5f466e21ef7cebce8e95e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.465647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071375/manifest.json
observed 8d872c1bf0c2f3edd56c3edb01b0692a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.450551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071375/publication.md
observed 87a3abbf64c33b3a6b30805831791588...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:59.434170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071375/publication.txt
observed 93f2a2f990f381dcb25f21cd1bf03e8c...
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.