OpenTechnical

OT-2026-000062466

Publication integrity record

Foam pad vacuum gripper, common isolation valve, 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-2026-000062466) never changes.

Identity and time

Publication numberOT-2026-000062466 · never reused
Internal UUID01a0ae8c-0ac0-7301-92ff-c85ed6fd971a · 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-2026-000062466
StatusPUBLIC

Content hashes

Canonical textf255f596a340a62d0b8104a95cc3b1c913945b1ba66b7c2b234ab220fe97484f
Markdown9848e6657b33cb73ca22e426a021c94759ca851fd0e6969cd835fcb385549780
PDF
Publication pageb1f396e5bbc0dd2892333ad24460e4919e18ba927db1a401df639ad80e3a2d60
Manifest835aed851cd0c2eb127634309a68aa679a3301e11de2c75f3363fd998b96bc6d

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
SignatureZB1MyoXn2tzP3KREONjSxoUS+dnNDdPvKhm8tqzMgLAkAm6fNMESLgxdGDuv3u3L1/Mxys4lSSTt4vPg0MmDDg==
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

2026-09-17T20:42:40.369113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062466
observed b1f396e5bbc0dd2892333ad24460e491...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:39.986483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062466/manifest.json
observed 835aed851cd0c2eb127634309a68aa67...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:39.597639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062466/publication.md
observed 9848e6657b33cb73ca22e426a021c947...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:42:39.244407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062466/publication.txt
observed f255f596a340a62d0b8104a95cc3b1c9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:39:49.003838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062466
observed b1f396e5bbc0dd2892333ad24460e491...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:48.984056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062466/manifest.json
observed 835aed851cd0c2eb127634309a68aa67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:48.966654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062466/publication.md
observed 9848e6657b33cb73ca22e426a021c947...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:48.946205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062466/publication.txt
observed f255f596a340a62d0b8104a95cc3b1c9...
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.