OpenTechnical

OT-2026-000073030

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, 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-2026-000073030) never changes.

Identity and time

Publication numberOT-2026-000073030 · never reused
Internal UUID01a0ae92-c816-7b0b-8318-a8273b65d858 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073030
StatusPUBLIC

Content hashes

Canonical text53ffac513013a04eb116a10f3bcdf19780624b982c5fabdc615d22e9bbc344bd
Markdown101a30213a6d066d3726d03b74090cebfa04eae87d8d4b0b4a3c1836650ea675
PDF
Publication page88b8521c789e339b4f825cb67534443d79f8b61c6febd6f8f92c84b9df0ac619
Manifest12608b170edd78a2ae169cc4fe24bc4e3087c8560b346b7153d331fb7b94b2a9

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
SignatureChrtuOTKUvxed+/7j3kgddH5KMhEjRWhg389gvcafgBhI2kpusx6D59WooCVSf4fniJNYF0VhdvJin0y+kBZDQ==
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

2026-09-17T10:21:58.238933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073030
observed 88b8521c789e339b4f825cb67534443d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.222697ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073030/manifest.json
observed 12608b170edd78a2ae169cc4fe24bc4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.206167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073030/publication.md
observed 101a30213a6d066d3726d03b74090ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:58.188530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073030/publication.txt
observed 53ffac513013a04eb116a10f3bcdf197...
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.