OpenTechnical

OT-2026-000080070

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000080070) never changes.

Identity and time

Publication numberOT-2026-000080070 · never reused
Internal UUID01a0ae96-4378-7644-8ffe-74c18eb24a32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080070
StatusPUBLIC

Content hashes

Canonical text39d2e2bf18ae243f7b19f20addcd9df325606daecdc4b187c026d70efccca23a
Markdown11fc5c7729cb5ebd4708ddd978fc01191dbeeb865e6410d2465ce2a4e0d4810c
PDF
Publication page24463a003cdfd2b6c230db73d42120870b21a5caab40a73516bc6e32ee03b97a
Manifestcf605ff5c741217cc93da339392e1011e5ebccf2a83abf2eb10dd89292c1fe93

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
SignatureeR5iW7Xoj7AiKXpXJd8LJQykY5eb0BV7k0S38N1lptX/7jGHMhmoX+8/+DQTZXyDPeu5Cwq61nxBHxjbhp/vBw==
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

2026-09-17T10:04:00.275077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080070
observed 24463a003cdfd2b6c230db73d4212087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.258201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080070/manifest.json
observed cf605ff5c741217cc93da339392e1011...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.239038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080070/publication.md
observed 11fc5c7729cb5ebd4708ddd978fc0119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:00.220148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080070/publication.txt
observed 39d2e2bf18ae243f7b19f20addcd9df3...
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.