OpenTechnical

OT-2026-000103057

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off after 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-2026-000103057) never changes.

Identity and time

Publication numberOT-2026-000103057 · never reused
Internal UUID01a0aea4-be3d-7b9b-a730-98b948372bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103057
StatusPUBLIC

Content hashes

Canonical text881c7f7f39c374244e8960e7f0b208d99f0b40890f5777d956dad100cd49d018
Markdowndf62c1cb62c0876b29e25da6826dd90e24d6acec875bd2b2b653d2f354d29fab
PDF
Publication page4a23b881828aa0da469e7db575de2628e058f2f073dbbb58bffdaed74f791ee6
Manifestf7294e04da4971a436ed9eca1343ccaa7bfe3a215a6efc2a9b8caa8385f6b61a

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
SignaturejunmA464WVeUSHvQ7O5xAPAQOdi6qbQyMX5VgIkMw3z/UDrNKzL/OD+F2ybdkvSdQ9B97683Vcz3XojFhlDxAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:10.985651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103057
observed 4a23b881828aa0da469e7db575de2628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.970298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103057/manifest.json
observed f7294e04da4971a436ed9eca1343ccaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.954198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103057/publication.md
observed df62c1cb62c0876b29e25da6826dd90e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:10.936073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103057/publication.txt
observed 881c7f7f39c374244e8960e7f0b208d9...
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.