OpenTechnical

OT-2026-000062262

Publication integrity record

Foam pad vacuum gripper, three stage ejector, vented after 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-2026-000062262) never changes.

Identity and time

Publication numberOT-2026-000062262 · never reused
Internal UUID01a0ae8c-0abd-76d9-888c-864d6ad97365 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062262
StatusPUBLIC

Content hashes

Canonical textffc619bcbd8725d8c2d1b916ff5cb8b9f0a7643c086e2d3dcbec2abdebdcd18a
Markdown09b1442a2e7112a137c74da1d821c0c059acfbd8b5a827c1faa2edeaf0729c5a
PDF
Publication page2ff9ebda6aae28bb34d2f5e2a12142bf0501d9d20a08b2bd65e305c01c606adf
Manifestff2b4327a441561f2d57ec40353d6f1e4b1da05415005ffa8284edc6c38351ba

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
Signature5B36FEbMujeCw9q6MOwwzVP56Aa59Ec+WELVsV4SPPEBlGz4lwc42tT1ammmBD7U0Z8QZqv0zyYb94h9FcelBw==
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

2026-09-28T12:41:06.975825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062262
observed 2ff9ebda6aae28bb34d2f5e2a12142bf...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T12:41:06.905682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062262/manifest.json
observed ff2b4327a441561f2d57ec40353d6f1e...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T12:41:06.771435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062262/publication.md
observed 09b1442a2e7112a137c74da1d821c0c0...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-28T12:41:06.673651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062262/publication.txt
observed ffc619bcbd8725d8c2d1b916ff5cb8b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.559683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062262
observed 2ff9ebda6aae28bb34d2f5e2a12142bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.544598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062262/manifest.json
observed ff2b4327a441561f2d57ec40353d6f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.528573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062262/publication.md
observed 09b1442a2e7112a137c74da1d821c0c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.510918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062262/publication.txt
observed ffc619bcbd8725d8c2d1b916ff5cb8b9...
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