OpenTechnical

OT-2026-000028374

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000028374) never changes.

Identity and time

Publication numberOT-2026-000028374 · never reused
Internal UUID01a0ae72-e2f5-796d-a438-0c74a496ac42 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028374
StatusPUBLIC

Content hashes

Canonical text935a9207d6c59cc6b8aff08751b003202e599d65c7550a2887e10656d629c361
Markdowna89e476108b313c7108f94f844cb0a2bf6d02c312f8429c843940ab5007f1467
PDF
Publication pagecb7deeeb6f43d64ce844fcfa551cc0aa3c24b8b64a0ae075ba96a538283b828e
Manifest150552d6d58543bb4f29450c590bf3cb3cd0c2dd1153050fcfb4ececb2bf402e

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
SignaturejFHwbHGsXkX/xEaYvBdzeoccYv/oTp+1VXtR5oe2frjJkEedoTDjYflPuBzvBo26j5HfNl6kO0yCUdWf3BiSCg==
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

2026-09-17T11:40:23.409488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028374
observed cb7deeeb6f43d64ce844fcfa551cc0aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.383616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028374/manifest.json
observed 150552d6d58543bb4f29450c590bf3cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.367533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028374/publication.md
observed a89e476108b313c7108f94f844cb0a2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:23.349211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028374/publication.txt
observed 935a9207d6c59cc6b8aff08751b00320...
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.