OpenTechnical

OT-2026-000008408

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000008408) never changes.

Identity and time

Publication numberOT-2026-000008408 · never reused
Internal UUID01a0ae6a-e469-7d60-8bde-c52b6b50ecf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008408
StatusPUBLIC

Content hashes

Canonical texta7cb04afc8dc212818edf75151657fbccccf9d83495ba09ddd4e921202bff4bb
Markdowncdf0c2ff3d597daf9bed1c31b8400711fe64ff9bd5f964e8e3e6055ecc9bf6b6
PDF
Publication page1abf04d4d7c17cb84670b45715a55fe1297a262c55602922c5a9ca6bcbc50afd
Manifest9342a6e91eb8aed43c2dbe48f8a8eb45c3ce9e2a86a488da94a46e11a2a23c25

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
SignatureixCTUBkQ/gHBQs2Q2JY/kdzFCZielZwVDLMAJFZg8+5hZQ8tigpCDmg0Fv+cueOxXzTtZoDlZ/cmatB9NTyFBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:15.212754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008408
observed 1abf04d4d7c17cb84670b45715a55fe1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.193768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008408/manifest.json
observed 9342a6e91eb8aed43c2dbe48f8a8eb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.174320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008408/publication.md
observed cdf0c2ff3d597daf9bed1c31b8400711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:15.156406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008408/publication.txt
observed a7cb04afc8dc212818edf75151657fbc...
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.