OpenTechnical

OT-2026-000027767

Publication integrity record

Four bellows cup vacuum gripper, four zone face, 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-2026-000027767) never changes.

Identity and time

Publication numberOT-2026-000027767 · never reused
Internal UUID01a0ae72-a4a4-7890-8659-08af18f8ff68 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027767
StatusPUBLIC

Content hashes

Canonical text04dfa61b603f1d49d7980a3b2ad5b1d928c043a089c664df6c273bd0391e95f6
Markdown59c7b9398c919743e35347c9d1174f9082bfc5ef7dfc4fefcc013ddf453310c3
PDF
Publication page95e751e9e37108fef48a0a02142c23551e28f620b090ed0300179d110b2175b8
Manifest7d1df7d9aa57e8f90d4378bc04d99a0de05af6beead4a723d471312e65bcb14f

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
Signature7W8L4NDQSu5sihrFyGX5Ro0FBc+q3xrKxawHy+AedINo6cmwAlJz9mOxzm1NLiGBwivs6wwWbcYPpdx+1GICDQ==
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

2026-09-17T11:41:48.585745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027767
observed 95e751e9e37108fef48a0a02142c2355...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.568618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027767/manifest.json
observed 7d1df7d9aa57e8f90d4378bc04d99a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.552208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027767/publication.md
observed 59c7b9398c919743e35347c9d1174f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:48.534755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027767/publication.txt
observed 04dfa61b603f1d49d7980a3b2ad5b1d9...
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.