OpenTechnical

OT-2026-000014303

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, three stage ejector, 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-2026-000014303) never changes.

Identity and time

Publication numberOT-2026-000014303 · never reused
Internal UUID01a0ae6d-b279-7651-9de7-fc457e534e58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014303
StatusPUBLIC

Content hashes

Canonical texte612a56c51efbcc35a5614f08db3fe5a750bd8843e98edc9c3d3851c89d0f8c4
Markdown9e37983cbfdc6f4163315cadd8dd7becfbafee7688525cb5135b277a14d23366
PDF
Publication page3ee806b8d3537c3813a401ffc681c6b73a2da4684bac65fb916e11656d13f08e
Manifest32b8859f6cc59ed737e4a6c7772f85b55b4b210f5b3fd1f22dc067c612f94db3

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
SignatureSM8vpzQxqZa3TJDm14psE/WMucI1atGzbt1MicUfER/9bqAbzIajTkNqJY0pv4iOtckEwmRdaSKFEVGEJgusCg==
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

2026-09-17T12:07:31.502816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014303
observed 3ee806b8d3537c3813a401ffc681c6b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.483505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014303/manifest.json
observed 32b8859f6cc59ed737e4a6c7772f85b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.463970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014303/publication.md
observed 9e37983cbfdc6f4163315cadd8dd7bec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:31.443505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014303/publication.txt
observed e612a56c51efbcc35a5614f08db3fe5a...
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.