OpenTechnical

OT-2026-000006524

Publication integrity record

Vacuum cup gripper, four outlet manifold, plant vacuum fed, pressure verified, polyurethane cups, flat form

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-2026-000006524) never changes.

Identity and time

Publication numberOT-2026-000006524 · never reused
Internal UUID01a0a95e-3923-7d76-ab2a-ec09f011ef92 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:38:39.653898Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006524
StatusPUBLIC

Content hashes

Canonical text884cd5f7d3622cf2c0783c4d3a85f93dc0ede2f404465aa9b6275791683690cd
Markdown38c362ccb957308f3e8358662c65eff205c5851d0b9e30f19ed64e010ca05f41
PDF
Publication page858494b983fad5dc72eb1f0f31201a080f666afc62b29199c303dba6d7dceffd
Manifest8fd5a9f9b13680fadc623f82e0957e8f9012eacc92f2bdbe76c205688ac0312a

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
Signature7+amobyFCcZtBxnjBlZqZ6vAvfGUhYgDZ0sOm4oeC9ZPN12/ShSxGqVnrdLtMqrUaZpurkDkzVkOPMgzsVqTDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:07.408347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006524
observed 858494b983fad5dc72eb1f0f31201a08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.394641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006524/manifest.json
observed 8fd5a9f9b13680fadc623f82e0957e8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.378535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006524/publication.md
observed 38c362ccb957308f3e8358662c65eff2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:07.238547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006524/publication.txt
observed 884cd5f7d3622cf2c0783c4d3a85f93d...
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.