OpenTechnical

OT-2026-000075722

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum 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-2026-000075722) never changes.

Identity and time

Publication numberOT-2026-000075722 · never reused
Internal UUID01a0ae94-29fd-7039-9243-4bd61502f643 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075722
StatusPUBLIC

Content hashes

Canonical text4f04a2b39cd90296a5de37f8b6285240b6c25def9347dd2a9025921831ceedc1
Markdowndb2282223c833b73e52eb8ad25f226d356f5cd749cad5105a6222c90d407cd13
PDF
Publication pagea080ce50460365e5fc3a6bab60aa225bdb308b75dc48f174af1d5cff5489e618
Manifest848ca429799f31c452caf1c4a6693c6adccb78266aaa080926bde1ab751b898f

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
Signaturez0NsTGmPdXU5ZJtf6ZzD7NrDJF+q1MEvWNXdRKtm7YH5Gq9P7rTkuritel7tnULBEZaX4osa62Egvh+VlRY5BQ==
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

2026-09-17T10:13:59.509435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075722
observed a080ce50460365e5fc3a6bab60aa225b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:59.488529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075722/manifest.json
observed 848ca429799f31c452caf1c4a6693c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:59.470060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075722/publication.md
observed db2282223c833b73e52eb8ad25f226d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:59.448429ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075722/publication.txt
observed 4f04a2b39cd90296a5de37f8b6285240...
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.