OpenTechnical

OT-2026-000085732

Publication integrity record

Foam pad vacuum gripper, three zone face, 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-2026-000085732) never changes.

Identity and time

Publication numberOT-2026-000085732 · never reused
Internal UUID01a0ae99-aaae-78a3-9570-220b67d57c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085732
StatusPUBLIC

Content hashes

Canonical text3dae80e97f5c342ced7638abf5f1d51bd508d4f9f602852900f215bfdf772b86
Markdownc1f8207c8241c90baeafbf938542ff8c5deaded73c3439500118af86c1b0a990
PDF
Publication page2e9d160bc4234ce3aa79de158f6b180296eefd6fe87ac43aa73a64f79b9fa62c
Manifestffec96b7a7a63243d72f8b8036d803ac55e575fc85da7906916999013389bebf

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
Signaturepfj8o0KyGb8y5G9d9g0Kvrvx21EnX4hv1N54DJy97qxcoHSHsw2jpxkAbZRLCu5i1uHX9swlbfj1COVsakEyCw==
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

2026-09-17T09:54:38.715548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085732
observed 2e9d160bc4234ce3aa79de158f6b1802...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.697606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085732/manifest.json
observed ffec96b7a7a63243d72f8b8036d803ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.680592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085732/publication.md
observed c1f8207c8241c90baeafbf938542ff8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:38.662618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085732/publication.txt
observed 3dae80e97f5c342ced7638abf5f1d51b...
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.