OpenTechnical

OT-2026-000053063

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000053063) never changes.

Identity and time

Publication numberOT-2026-000053063 · never reused
Internal UUID01a0ae84-a431-75d1-a6a5-67ffa253db3b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053063
StatusPUBLIC

Content hashes

Canonical text752c5788d4c60c90cc8c5efb285366ac0d703d8f414b21d00f74a904a1557a07
Markdown35be3317a9d185fb0797538b90978fcfb31dd5d710b80e61bdd64c5b1e1e8d7b
PDF
Publication pagef445a801a5e46ee49242e378e6c78c7db2cccc7bf5a652ee076e68243ba374df
Manifestff6a4b19ec5f2e6ed4c8ad19f914f16b6f0ddc7c97746976949fb2fc188991ff

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
SignaturejRHtZuEK8TFsjlzO/7Ih/pzEc3eL6gceU1BCf1HzdcGsGdqUl8sCkwT2FJt4LraIWpcddXw3g49UuMIt2yzOAQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:46.632111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053063
observed f445a801a5e46ee49242e378e6c78c7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.611031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053063/manifest.json
observed ff6a4b19ec5f2e6ed4c8ad19f914f16b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.591518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053063/publication.md
observed 35be3317a9d185fb0797538b90978fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.571335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053063/publication.txt
observed 752c5788d4c60c90cc8c5efb285366ac...
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.