OpenTechnical

OT-2026-000039727

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, 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-2026-000039727) never changes.

Identity and time

Publication numberOT-2026-000039727 · never reused
Internal UUID01a0ae78-d8d5-7987-b989-ced62fd6c14d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039727
StatusPUBLIC

Content hashes

Canonical texte237563dd772778a42675a2d5a1282d0fc0df1ccab6a429edae79178e6736a31
Markdownfc2e3728c1efeb5ef92e99eab48d5634d1203d3002dbc55a9c50aa942e853a1b
PDF
Publication page5a8f8016313aa1ca688fe0dd33a39566768a284fe4e16c080cc7f238e77b93e3
Manifestdd297872af847d03e269abb757856487a29357274d5443853dfd3b77aea2e353

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
SignatureLNkAMsQJgyfqhiO32Xn+uSzOYZq3Ki5gjcfN+Zxw0zIzeMvA8Jmi8JDdSU1fK3+B8OXVrCY0Mii1/Hs/VbaNAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:55.887766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039727
observed 5a8f8016313aa1ca688fe0dd33a39566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.869804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039727/manifest.json
observed dd297872af847d03e269abb757856487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.851397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039727/publication.md
observed fc2e3728c1efeb5ef92e99eab48d5634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:55.834800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039727/publication.txt
observed e237563dd772778a42675a2d5a1282d0...
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.