OpenTechnical

OT-2026-000071024

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000071024) never changes.

Identity and time

Publication numberOT-2026-000071024 · never reused
Internal UUID01a0ae91-8c2e-7a39-be75-b183a8a7ece3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071024
StatusPUBLIC

Content hashes

Canonical text84d45cb6dfd5f647bcc3113658878cd1d08645020a20148876dbd26cc2d11e5a
Markdownb443368961bad00e55434f952eaa7f6351a4f2194c261a459d50abd339607863
PDF
Publication page7204529ead3ff2288974b85ccf6bcd2d80266c9b13ee15b1cfedfd6d683f7f8d
Manifestfbdaf9b81a5910a9c3b830b9fe226af3271823f9e7553fdffdef662e19e61658

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
Signature9cLhZS0uWY+UKSaaucf9Dr6eMS9E0wQbv2tM2C0NlLA1ZXuiv7oEGgUrLR87IByxQ04pImypzKS3nCP4Y/VcAQ==
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

2026-09-17T10:25:52.740611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071024
observed 7204529ead3ff2288974b85ccf6bcd2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.723469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071024/manifest.json
observed fbdaf9b81a5910a9c3b830b9fe226af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.706488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071024/publication.md
observed b443368961bad00e55434f952eaa7f63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:52.689902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071024/publication.txt
observed 84d45cb6dfd5f647bcc3113658878cd1...
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.