OpenTechnical

OT-2026-000008474

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000008474) never changes.

Identity and time

Publication numberOT-2026-000008474 · never reused
Internal UUID01a0ae6a-e46a-74cc-afef-02e056907164 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008474
StatusPUBLIC

Content hashes

Canonical textcfeac9bf322937b181e520a569c3238e25e1f69a2e236b9d53f3a85e61410409
Markdownb10efa5950fd17f5aabaa5bf69af868a7291cc418787c5b8c62a2183035c57b9
PDF
Publication pagee7c3977db4a176ba799539151815295db31702a607867bf6159b4919c17d199c
Manifest64e02cc1e7520045f9b78160f9f4694ffeb9f6556ab50d7f6e9661ea09685454

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
SignaturevNgdL3Z64wSZkQwo4MxjX6Ru5fw2BFB+Y9GjfgYqsDwNk82oePbME2jNTCD00+1nba7Cow433aqVgTVcOeXkBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:22.030256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008474
observed e7c3977db4a176ba799539151815295d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:22.009755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008474/manifest.json
observed 64e02cc1e7520045f9b78160f9f4694f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.977415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008474/publication.md
observed b10efa5950fd17f5aabaa5bf69af868a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:21.956786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008474/publication.txt
observed cfeac9bf322937b181e520a569c3238e...
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.