OpenTechnical

OT-2026-000026967

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000026967) never changes.

Identity and time

Publication numberOT-2026-000026967 · never reused
Internal UUID01a0ae72-3453-7c2f-81a1-a08a85a7c87a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026967
StatusPUBLIC

Content hashes

Canonical textfe01b9c10441cfc891cc0d28d78f52ad7ca0c4305f1458a88f78c9d3d3cb4ec0
Markdowne783828134ce630aa08ba1a69334b8217727de5606ad496ce9e92c9d776d2e8d
PDF
Publication paged1eaef7576817af6791e50a3ea5a68e1489ee50171b1ee4000bcbbaef9a86cda
Manifest51042c751ddd417954b7259498e4b324f1a9ab51d7e053fef6553a8232899e7a

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
SignatureBMpNtlnKSGWJdDrE5DEEZBpIW/44AHlbZKjls7wRCPXvOdZ9QAlvH3Uka2y9zc+IJ25xruL/65LRz/ZX8naHDg==
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

2026-09-17T11:43:35.408837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026967
observed d1eaef7576817af6791e50a3ea5a68e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.394354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026967/manifest.json
observed 51042c751ddd417954b7259498e4b324...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.378071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026967/publication.md
observed e783828134ce630aa08ba1a69334b821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:35.362569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026967/publication.txt
observed fe01b9c10441cfc891cc0d28d78f52ad...
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.