OpenTechnical

OT-2026-000039514

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000039514) never changes.

Identity and time

Publication numberOT-2026-000039514 · never reused
Internal UUID01a0ae78-d8d3-74b5-882a-a219e78331a1 · 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-2026-000039514
StatusPUBLIC

Content hashes

Canonical text973fbda71126401961dd63fcd207e25267642d4b881e7951ef36c19c3c23372e
Markdown176a482ee795602a077fc27660272095b09e3429071cdc830c25e300cb2da082
PDF
Publication pageb274c7ae3a4cedd5f8462afae5515154c6dbc4f8887bc17509ece6524cbd062d
Manifest06be3ef8dd37f41017cf033ba93c108737a9812e312648993e35b61f4b775f0c

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
SignatureIZlk8X76rcdBgXE6ZoBfvOaodAkWtVFsXTUEwtnmVLLvkBRv4AS2+Lg4+5z+/cgHIjKsP8STnyNs3MlFnZa2DQ==
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

2026-09-17T11:19:39.159825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039514
observed b274c7ae3a4cedd5f8462afae5515154...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.143304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039514/manifest.json
observed 06be3ef8dd37f41017cf033ba93c1087...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.125601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039514/publication.md
observed 176a482ee795602a077fc27660272095...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:39.108259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039514/publication.txt
observed 973fbda71126401961dd63fcd207e252...
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.