OpenTechnical

OT-2026-000091704

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091704) never changes.

Identity and time

Publication numberOT-2026-000091704 · never reused
Internal UUID01a0ae9d-43b9-74f2-bed1-752e7ad9335c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091704
StatusPUBLIC

Content hashes

Canonical text5dc2f7b97f1a4dbb3393521ae362e10f53d9d2de03d40a6f667f3a178943087c
Markdownfcbdd74115334d73dadac211461949436062cbe6da67c4a16365b981ade6f9e8
PDF
Publication page8a29100a42a3fd7bff47b08b53b838d61561529faddee3b1f566b5787a3dca74
Manifest7055d1771a5dd01a54b0e3ec3093bd479077900e69d8bcc5879266568c74b429

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
Signature4cFgfMjyjfGOuNrdprIXbesTJ0rHexYaNxj9+K8gd71rv0l3P3v/y4rBQwFSfDEbYtREwlIH4YdHYhp1lGCjAg==
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

2026-09-17T09:42:05.602197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091704
observed 8a29100a42a3fd7bff47b08b53b838d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.585473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091704/manifest.json
observed 7055d1771a5dd01a54b0e3ec3093bd47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.566815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091704/publication.md
observed fcbdd74115334d73dadac21146194943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:05.548038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091704/publication.txt
observed 5dc2f7b97f1a4dbb3393521ae362e10f...
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.