OpenTechnical

OT-2026-000072132

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented before set-down

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-2026-000072132) never changes.

Identity and time

Publication numberOT-2026-000072132 · never reused
Internal UUID01a0ae92-47c1-7eef-b5b5-95d1b0ce6fb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072132
StatusPUBLIC

Content hashes

Canonical textde1ab818e56f6455437a26c6a4c688db2b7b6d5a408f9edd107d1c37307e978b
Markdown3bd1be3148a818b276890a3a49ae81c775c431e7d9b1fd8da4a1559c13ffc1be
PDF
Publication page965aca80c1562d291f3a3089b1953e2dee5fdbbc7aad415de218b0239e57fce9
Manifest57f9e475fd6da7ae3f5b7f96523571710f1bc6cb5634814314ae59b843bdd256

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
Signature+1rldWVx62cYQ7lUu1hTxVxG+krSMzZ6thJSt++y5ldR6AvkE7lrR6NHZUmDvoWjCFWmAVrtnQ4bmyWW79Y8Dg==
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

2026-09-17T10:23:13.452639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072132
observed 965aca80c1562d291f3a3089b1953e2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.436010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072132/manifest.json
observed 57f9e475fd6da7ae3f5b7f9652357171...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.419757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072132/publication.md
observed 3bd1be3148a818b276890a3a49ae81c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:13.403515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072132/publication.txt
observed de1ab818e56f6455437a26c6a4c688db...
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.