OpenTechnical

OT-2026-000073632

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000073632) never changes.

Identity and time

Publication numberOT-2026-000073632 · never reused
Internal UUID01a0ae93-2b8c-7f4e-b6ce-48c77b3033cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073632
StatusPUBLIC

Content hashes

Canonical textd5ff04e49e0a0a163fa615df4f44c44e4d99595e82a9228326b0dac545da612e
Markdown0c5a0195c2f67eb7baa655b302834f36c919e45eef6f3d0809193d093d9b11f8
PDF
Publication pagebf9d0dacd7a2d019e60d6af9e0f894ae97c9435b8cf9a864063d7d382c50cfa1
Manifestcd57884407c5d7234751e9861a82d428637705bcb86103df5dc5123224fb9c86

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
SignatureEaYi+Wcj9Ukth9/+uSpwBMl8cjBYUZIKFEZ1CWglMD9hB5G1I41WnM4VxVP7hLhnDGSqoqeuSuIDRAbbn2NOCA==
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

2026-09-17T10:19:40.511610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073632
observed bf9d0dacd7a2d019e60d6af9e0f894ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.492777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073632/manifest.json
observed cd57884407c5d7234751e9861a82d428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.472513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073632/publication.md
observed 0c5a0195c2f67eb7baa655b302834f36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:40.454714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073632/publication.txt
observed d5ff04e49e0a0a163fa615df4f44c44e...
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.