OpenTechnical

OT-2026-000075330

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000075330) never changes.

Identity and time

Publication numberOT-2026-000075330 · never reused
Internal UUID01a0ae93-f200-7450-99a0-a3494fe7dc5e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075330
StatusPUBLIC

Content hashes

Canonical text82949eac3f679f186a81e580d842eaa355953b864b4eed8a8eb74b5ae9c87d83
Markdown6d9e6be71eb5f08073fb3ba1543322237d4e79d0c0e33056857e1752684e9479
PDF
Publication pageb32bcc77da38f6992743a7ff10c37cbd7327b82fe3ab5d235a833616bba72d4b
Manifest05b16965725ee212cafde263d14613f5192b9e9ec3673a658deac22dc1a3525a

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
SignatureDdTyUkBC5lHD85zji0Dbbn8PEitUeDTy0MqiRXIvkbZ/27foNZ6P/tRtSpxfLrx52OQisLhiwvcfnSo9fys4DA==
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

2026-09-17T10:17:12.257449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075330
observed b32bcc77da38f6992743a7ff10c37cbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:12.237550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075330/manifest.json
observed 05b16965725ee212cafde263d14613f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:12.217032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075330/publication.md
observed 6d9e6be71eb5f08073fb3ba154332223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:12.199685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075330/publication.txt
observed 82949eac3f679f186a81e580d842eaa3...
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.