OpenTechnical

OT-2026-000072459

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, pump fed, 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-2026-000072459) never changes.

Identity and time

Publication numberOT-2026-000072459 · never reused
Internal UUID01a0ae92-89d8-76b8-980d-305070e55e40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072459
StatusPUBLIC

Content hashes

Canonical text59f584c8e843bb4d634a90588f47ebe0c4254aa79fc1972fbaa244d2efedd1d0
Markdown4a18bed49c191d54c645ae90f347bf0c0875d2157659aed89def591d84ec9bf7
PDF
Publication pagec717559ab779525ae521b7a0cc8284d56a1474891918157503d23ea353f690aa
Manifesta26dd6cbc8979a96312afc59605885736022881265aeb7ecccca41f3f8eb37be

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
SignatureeeRWETQW+AEjLVFucMPbP0jkUn8bJNGwKzkU7ZS/tEdWHTQep2HxWvrPfMNAWa/K4RvLZ204F4AF/r4LsA22AQ==
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

2026-09-17T10:22:16.882787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072459
observed c717559ab779525ae521b7a0cc8284d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.865844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072459/manifest.json
observed a26dd6cbc8979a96312afc5960588573...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.848343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072459/publication.md
observed 4a18bed49c191d54c645ae90f347bf0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:16.830676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072459/publication.txt
observed 59f584c8e843bb4d634a90588f47ebe0...
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.