OpenTechnical

OT-2026-000071725

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, 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-2026-000071725) never changes.

Identity and time

Publication numberOT-2026-000071725 · never reused
Internal UUID01a0ae92-1e91-77e3-b178-6f05e52efc56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071725
StatusPUBLIC

Content hashes

Canonical text0ad778785a245869eaa62e86f5d65cffe69bd908133840f564b3b9fdfe3fa7f0
Markdownb8ce63293b9dd17e6e6ca9e84c7754564a52c874646d2428dbd42582d139a1d6
PDF
Publication page6d15715b38d9d12deb69055356645f900ac8877a82e75e04792c4a34a758319e
Manifestf492b808ddf196070793820c0757102e32f8c010d6da1658cd51e12b2643ff29

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
Signaturewv+pgHXWt+qvm64Fk9KVe3qZmRmsuD/zdpERbAkBsy8ysc19ad29ZxINjro9dXyGTIK1aoJa4KFmnR5uPS7EDw==
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

2026-09-17T10:23:52.755286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071725
observed 6d15715b38d9d12deb69055356645f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.737100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071725/manifest.json
observed f492b808ddf196070793820c0757102e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.719456ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071725/publication.md
observed b8ce63293b9dd17e6e6ca9e84c775456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:52.700502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071725/publication.txt
observed 0ad778785a245869eaa62e86f5d65cff...
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.