OpenTechnical

OT-2026-000071647

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000071647) never changes.

Identity and time

Publication numberOT-2026-000071647 · never reused
Internal UUID01a0ae92-1e90-73db-b7b8-2d330bddbaf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071647
StatusPUBLIC

Content hashes

Canonical text446473cb1d6088195fe7ba4f4d4193b7173bfe4af43a0fc1dca09a40cafd8c39
Markdown7c1c112b3dbb9b53dc9d14ca3d8407fd03733109ee1ac4e657a7487109fb41b2
PDF
Publication page58abbf63d1e32a49361b370bbe5ce8900fa907c3c06e62ec0b27c5ce1935620f
Manifested054e39ff8cf138d0b1bc13767addb1aaa99c95b66f1405d0733032a731f26a

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
SignatureqBRcvl7WAQ203fjT+YcoEalH60GGpa1QIb3oXEARV93fC4tlyzIW6+vTYaCrJWLAV7UnRJhrup957+H8D2eHCA==
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

2026-09-17T10:23:40.852030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071647
observed 58abbf63d1e32a49361b370bbe5ce890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.835133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071647/manifest.json
observed ed054e39ff8cf138d0b1bc13767addb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.818886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071647/publication.md
observed 7c1c112b3dbb9b53dc9d14ca3d8407fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:40.800921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071647/publication.txt
observed 446473cb1d6088195fe7ba4f4d4193b7...
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.