OpenTechnical

OT-2026-000081770

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000081770) never changes.

Identity and time

Publication numberOT-2026-000081770 · never reused
Internal UUID01a0ae97-0f74-714c-a872-c58ca702ede4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081770
StatusPUBLIC

Content hashes

Canonical textd7661956ba303818048d8992450548f492d01be0920d7e217615f0505f05a51e
Markdownd2dc2287bb33c0f60dc75bf31a44c8d327c32584f836908184bec00738e8865a
PDF
Publication page5e2a6bcc01fa92fe7e515657a8e303112c0690681e51ae74aeb7bfd55337fae6
Manifest800209ff2beeaed5409b305b85ebd53911db7fa51e706bfda3e9cfb842cf673b

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
SignaturesMemE5bufYiPLw2xRxoiHi2wg8WvA95JSHlNTQSXq4bb+TCOAdXb1P5D3Cdxj0jRXuBNk8XrYz6AfO06c4ZLCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:51.778425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081770
observed 5e2a6bcc01fa92fe7e515657a8e30311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.761038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081770/manifest.json
observed 800209ff2beeaed5409b305b85ebd539...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.743864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081770/publication.md
observed d2dc2287bb33c0f60dc75bf31a44c8d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:51.726897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081770/publication.txt
observed d7661956ba303818048d8992450548f4...
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.