OpenTechnical

OT-2026-000012281

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000012281) never changes.

Identity and time

Publication numberOT-2026-000012281 · never reused
Internal UUID01a0ae6d-39f5-73c6-85cc-1e66dc7fdc38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012281
StatusPUBLIC

Content hashes

Canonical text110b8a0c3b3bf9f7ab74c701ade8a9722f78df5970b8597283a89c480bc064e6
Markdownf844d1ddf127f7b97e588e37845982e9ea46b826c0f7be3feba129a1f068cc7f
PDF
Publication page6af9c2d416c9787135d612e443809e1e2e4317655c7d2265bed3075d39387df0
Manifest127e46e8537361ae53ea540f808983dd125668856625ef62d09539f8568a1e54

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
SignatureGZQJZ0OnX5OgPL4uSON1H994WLT4BdLm8dWAgvvIVuORA4z9yQYRUS19PrTbWDLJCW4W22iGxlZFuC3OpLThCg==
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

2026-09-17T12:11:13.207003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012281
observed 6af9c2d416c9787135d612e443809e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.189296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012281/manifest.json
observed 127e46e8537361ae53ea540f808983dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.170123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012281/publication.md
observed f844d1ddf127f7b97e588e37845982e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:13.152007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012281/publication.txt
observed 110b8a0c3b3bf9f7ab74c701ade8a972...
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.