OpenTechnical

OT-2026-000049608

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000049608) never changes.

Identity and time

Publication numberOT-2026-000049608 · never reused
Internal UUID01a0ae81-8f7d-7911-ad47-bf7a0b30ed3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049608
StatusPUBLIC

Content hashes

Canonical textb4966f4fe5ad9f2198b65841fb9231b914375eeb9b42a4c00736f27a347829f1
Markdown95ba8138fbe5cfc16def9770c5a0971cbe4fbd9be097beff651a44d4b4117932
PDF
Publication pagee633bf51d06da61289a92674536622b04b05d299761ccccaaa36152b01340697
Manifest694fb24b51c9ba70d18c6c182b377e445fcfa682b23466527109bb2315431f3a

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
SignatureGt5WDp2cRhQn8OZT5YT7Rn7Qrvq+x4rkOUZLvs4BknQ3A8+DShMNuIsNpqWkF+cSQzqxVQpvWPI1UTsnpla/AQ==
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

2026-09-17T11:02:35.503599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049608
observed e633bf51d06da61289a92674536622b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.483475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049608/manifest.json
observed 694fb24b51c9ba70d18c6c182b377e44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.464128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049608/publication.md
observed 95ba8138fbe5cfc16def9770c5a0971c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:35.446205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049608/publication.txt
observed b4966f4fe5ad9f2198b65841fb9231b9...
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.