OpenTechnical

OT-2026-000038666

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold 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-2026-000038666) never changes.

Identity and time

Publication numberOT-2026-000038666 · never reused
Internal UUID01a0ae78-769e-7a7e-a164-916f5c11aca8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038666
StatusPUBLIC

Content hashes

Canonical text547536ce524ee85c99f97d66058becf2f3894dcd80bb1e3e312aad3dba9618b5
Markdown9fae1dd266c2ee9e014b802603492d9951c502c8330ef1d8aeb08cb06514718c
PDF
Publication page05e1e295711a9dc2a91fe756a8f4d6a1be90ecb36002f6d07cf770ede5d1283d
Manifest30b710d8fc96caf77778ab4c7aeef48ee06bc7b6d8c6778043563f7a5e503279

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
SignaturewEW0hk/kGYQKmUSPQnYiX7aQdAk4IfTPXVyseNZb/fcrbIQ+yrgWDLko+dQXY4VAGnrLST6miJLgy6DzQHzYBw==
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

2026-09-17T11:21:07.733729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038666
observed 05e1e295711a9dc2a91fe756a8f4d6a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.718147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038666/manifest.json
observed 30b710d8fc96caf77778ab4c7aeef48e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.702944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038666/publication.md
observed 9fae1dd266c2ee9e014b802603492d99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:07.686202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038666/publication.txt
observed 547536ce524ee85c99f97d66058becf2...
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.