OpenTechnical

OT-2026-000031399

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000031399) never changes.

Identity and time

Publication numberOT-2026-000031399 · never reused
Internal UUID01a0ae74-87ad-7b2d-aefe-9e7dca6eef88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031399
StatusPUBLIC

Content hashes

Canonical textdc2c7580d93ed274f9f97e60913951ea9ffe5c8aef2eb5d6acef4a93b3ed1556
Markdown9cdb511f883e3bf83e791f73d75e65018339f3d0b583d3ba4b857c4f1393e794
PDF
Publication page16600e83f119a29014868c309663a955f3ee481a138945c91f72cd8f1530fc4c
Manifest57ee6848c8b379da4677a293e2ad39518ea29ba93699f839c09c91b8c5f09c46

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
Signature6tKjAQcJCPF8OTnCFsx0bdB4jbbScc7E412VCHxm1seB++jEnLg9MtscozvSShfSv7b7I6JZjXCooQS8vuB4Cg==
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

2026-09-17T11:36:06.680056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031399
observed 16600e83f119a29014868c309663a955...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.661861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031399/manifest.json
observed 57ee6848c8b379da4677a293e2ad3951...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.643365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031399/publication.md
observed 9cdb511f883e3bf83e791f73d75e6501...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:06.624774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031399/publication.txt
observed dc2c7580d93ed274f9f97e60913951ea...
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.