OpenTechnical

OT-2026-000081761

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000081761) never changes.

Identity and time

Publication numberOT-2026-000081761 · never reused
Internal UUID01a0ae97-0f74-79f3-9341-3efa7619c894 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081761
StatusPUBLIC

Content hashes

Canonical text6873bcf0c4add9ed7bb3617b8b3890ea2e6f5627ae11c26a8c02f9c5d997010b
Markdowne1402ebf3a9473c77971d8a8e76217c02f324cea29264022b18f2aabef9edf54
PDF
Publication page40f53933fc60a59b826acbca4f837593fca8a4e55ab1b98d74295a527e969688
Manifest610086ccde9756a6ba616b484141182e422ee4a1b43e95b995d4381c668e5241

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
Signatureo2AChF8boh9eAHbRYR+QuF76VYZE10X2Yk2JIpl8rZIwleY/u73Y6Bxnie/OpWqdNbIz0U2wt/Wv/g0VWOCsDg==
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

2026-09-17T09:59:51.085413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081761
observed 40f53933fc60a59b826acbca4f837593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.068278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081761/manifest.json
observed 610086ccde9756a6ba616b484141182e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.050343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081761/publication.md
observed e1402ebf3a9473c77971d8a8e76217c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.034462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081761/publication.txt
observed 6873bcf0c4add9ed7bb3617b8b3890ea...
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.