OpenTechnical

OT-2026-000076976

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000076976) never changes.

Identity and time

Publication numberOT-2026-000076976 · never reused
Internal UUID01a0ae94-b071-71bf-99d2-11363ffe2df6 · 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-2026-000076976
StatusPUBLIC

Content hashes

Canonical text756aba1ccffd08c779d3961b473881e5c4cd03a2f54f636f52ec98ab72ed0b33
Markdown30f1244afa1884303817be247c8b71940b6e9494bcb216ae1da861cf441aa6ca
PDF
Publication page173999a8636e58bdf703f5a79640d1a2e907c3d357fd9fea11cd6d07073fbffe
Manifestb1673ba921d2795aed82bb866c59f960efea3960b9c83170708a62c687b28ce5

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
Signaturevv2+VI28lORuHE+zNkwu2iCwzLaJWS3x6LHAChbnjIlJfth164WHjO49kNI/NAo//+6Xawwh5Pd6JDD0uZNSCA==
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

2026-09-17T10:10:14.763252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076976
observed 173999a8636e58bdf703f5a79640d1a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.743733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076976/manifest.json
observed b1673ba921d2795aed82bb866c59f960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.720445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076976/publication.md
observed 30f1244afa1884303817be247c8b7194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:14.697218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076976/publication.txt
observed 756aba1ccffd08c779d3961b473881e5...
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.