OpenTechnical

OT-2026-000065547

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000065547) never changes.

Identity and time

Publication numberOT-2026-000065547 · never reused
Internal UUID01a0ae8e-46f9-7891-818c-93360ee6c6a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065547
StatusPUBLIC

Content hashes

Canonical text2597cacc26c1bbd2693b2b7389a15fe38fe7ed0c6d77528471c57b20d3d3de0b
Markdownff8f2446be500515d1e8cf54cc7d0cfe57c945922772eb055d70353f837a0c7d
PDF
Publication pagec7d7160041e86a353cc9b4cec6ff724583ece6accab893fc2c6bcf8ca1dc3b9f
Manifestdb2698bfcdd0817d154ef476c003a44dc6b327e1c51de993d4eb5b53a75773cc

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
SignaturekZXzVjvkmOljNBEb2lwelULbpoPsGMqu4QMrK5ZUlKBAkB2zl98E41klGAIlzrH9989mt08u2gQsN5Tr+EN/Dg==
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

2026-09-17T10:33:51.033827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065547
observed c7d7160041e86a353cc9b4cec6ff7245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:51.008364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065547/manifest.json
observed db2698bfcdd0817d154ef476c003a44d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.989192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065547/publication.md
observed ff8f2446be500515d1e8cf54cc7d0cfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:50.969231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065547/publication.txt
observed 2597cacc26c1bbd2693b2b7389a15fe3...
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.