OpenTechnical

OT-2026-000059201

Publication integrity record

Two 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-2026-000059201) never changes.

Identity and time

Publication numberOT-2026-000059201 · never reused
Internal UUID01a0ae89-8613-7ab5-80b0-d879e86e6a5d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059201
StatusPUBLIC

Content hashes

Canonical textade94de7a4fd8e106ac3438b225a47ec38e28ae80d30c83eefb4988e094e34c9
Markdown9c6b60908ba87038bb0c4d42a70398cf7268d5094372dd6f11a5848561a35c4a
PDF
Publication page3fb8aa4b5a9d0d56cd1d7df79e3832e504fa2c45a61664d8278910646f73e114
Manifest2d55f471401e7b964242bd16a470b97510bbb969721d50357ab8196b7ba1ead0

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
SignaturekxG6DQ/Opj1i75wcMSmJ06KQqjnc1duWikkBT1nA8SdpVDea5F24zCdrdoCY+H7ICaks9Vb6kk5GsuOxKyekBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:50.902173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059201
observed 3fb8aa4b5a9d0d56cd1d7df79e3832e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.865184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059201/manifest.json
observed 2d55f471401e7b964242bd16a470b975...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.845032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059201/publication.md
observed 9c6b60908ba87038bb0c4d42a70398cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:50.802438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059201/publication.txt
observed ade94de7a4fd8e106ac3438b225a47ec...
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.