OpenTechnical

OT-2026-000080905

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, plant vacuum fed, sustained 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-2026-000080905) never changes.

Identity and time

Publication numberOT-2026-000080905 · never reused
Internal UUID01a0ae96-b975-72bb-b21e-da40b23dba40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080905
StatusPUBLIC

Content hashes

Canonical texte1912f65a354f720c05f19ef5886b2ded2c85612ebb369d84c62dcb45f1bc2f0
Markdown22d317d9532e2652690d827967ddc5fbc2e0c05c18d3d6aec15234c9748b531e
PDF
Publication page65860da17c25119ff6c995db3921e00499a1c828846141bc80354f7006ca98aa
Manifestaa3c541bd15738f7bd47bcc437d6bd16888af9ff07c301614ec1040fd49aabb8

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
SignatureC8swy9aSKTWtuYoFEjjawyX4nKUOqpIkgRHOiZ/ohvHuk0SQpVSL8O2YGdnbVpUwpKfyX1BB03v/O+LGaAEcDQ==
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

2026-09-17T10:02:06.461140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080905
observed 65860da17c25119ff6c995db3921e004...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.443942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080905/manifest.json
observed aa3c541bd15738f7bd47bcc437d6bd16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.426571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080905/publication.md
observed 22d317d9532e2652690d827967ddc5fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:06.409204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080905/publication.txt
observed e1912f65a354f720c05f19ef5886b2de...
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.