OpenTechnical

OT-2026-000026487

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000026487) never changes.

Identity and time

Publication numberOT-2026-000026487 · never reused
Internal UUID01a0ae71-f4a8-7bc2-9bb7-a96086dd477f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026487
StatusPUBLIC

Content hashes

Canonical textc682b3479ae23c339f77af9855954cd623f6e6ab913695b545b01617b387fb25
Markdownf1cdfdf3be23eea39c58fe20cdbf2194ea9d4bb235c9f85179404954b8714578
PDF
Publication pagee23977de6a3d38a9e6ff555d5dfad15ceab85ab8316c6f99fa21d62fff817f71
Manifest8a7c61ae5c64b7d6197c95b435d952887f0b5722ff7fc67112b2d26001c22e71

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
Signaturew81B/ner6uF2MZVdfLp+oNeKzOQIMZIy21fB2sEbAYbokt8Gye6Mk7v8/Wvm/Utzu4gFdBUzJXq5KwOotUFyDw==
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

2026-09-17T11:44:36.636914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026487
observed e23977de6a3d38a9e6ff555d5dfad15c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.615786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026487/manifest.json
observed 8a7c61ae5c64b7d6197c95b435d95288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.598285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026487/publication.md
observed f1cdfdf3be23eea39c58fe20cdbf2194...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:36.578490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026487/publication.txt
observed c682b3479ae23c339f77af9855954cd6...
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.