OpenTechnical

OT-2026-000045551

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, 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-2026-000045551) never changes.

Identity and time

Publication numberOT-2026-000045551 · never reused
Internal UUID01a0ae7d-8f02-7f39-9cbc-092274fdfd5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045551
StatusPUBLIC

Content hashes

Canonical textd9e147cb4f933fdc2d6bcc022ca20730b3572c1e07ff9c6fc68d210e135ce060
Markdown83f598d4f8bd1cb3bc1254462dbe030ebe71c46c7e337f350a96a2b19b05ae9d
PDF
Publication pageb574c1976d9ad1640f1fd0827922ee33de526899bfdc072d59425b8170ddace5
Manifest7493d9148713455f3ca55a6a338b09ffc079f8970b3f787c5833d7817242df94

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
SignaturewXa/eC9GwwesisL4ecHUjdb1YVPpmltTezs50DPiDn8wkCvPztVC3/Wq02xcyDvi9h0yuHWak5Z3daDAjv0tCQ==
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

2026-10-14T08:41:32.990269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045551
observed b574c1976d9ad1640f1fd0827922ee33...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T08:41:32.938681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045551/manifest.json
observed 7493d9148713455f3ca55a6a338b09ff...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T08:41:32.810979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045551/publication.md
observed 83f598d4f8bd1cb3bc1254462dbe030e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-14T08:41:32.673541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045551/publication.txt
observed d9e147cb4f933fdc2d6bcc022ca20730...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.236405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045551
observed b574c1976d9ad1640f1fd0827922ee33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.214607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045551/manifest.json
observed 7493d9148713455f3ca55a6a338b09ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.194793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045551/publication.md
observed 83f598d4f8bd1cb3bc1254462dbe030e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.177608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045551/publication.txt
observed d9e147cb4f933fdc2d6bcc022ca20730...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent