OpenTechnical

OT-2026-000079646

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000079646) never changes.

Identity and time

Publication numberOT-2026-000079646 · never reused
Internal UUID01a0ae96-0b92-716e-91d6-ffb0868c9410 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079646
StatusPUBLIC

Content hashes

Canonical texte4fb3cb9357fff32fdb8f4b24c1f66d1e4f2627d6ef98c2cd508cece1f251063
Markdown6dc87063b3d1ea7ccb309ec0d66c4fa70f973cfc972fde44dd80e27dbdf67f25
PDF
Publication page620c58ce225717973c5671ada0e724bb5faca21a60b92b49934bfbcc933911b2
Manifest6b8bc1a0aaeb9f10b1ee729ead17ef22ab49fa8f1c788b38b1b38351167d89d9

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
Signature+1orTXsSjf4c5cEgnDCZXogX4wsjF/0ekzzSMBZLgZp/dtz7/NNr4yIaN8LPJx1a+QVin5ToyEKRCgYa+/xpDw==
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

2026-09-17T10:05:18.790937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079646
observed 620c58ce225717973c5671ada0e724bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.771214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079646/manifest.json
observed 6b8bc1a0aaeb9f10b1ee729ead17ef22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.753758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079646/publication.md
observed 6dc87063b3d1ea7ccb309ec0d66c4fa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:18.735877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079646/publication.txt
observed e4fb3cb9357fff32fdb8f4b24c1f66d1...
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.