OpenTechnical

OT-2026-000087541

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, sustained blow-off before set-down

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-2026-000087541) never changes.

Identity and time

Publication numberOT-2026-000087541 · never reused
Internal UUID01a0ae9a-cd52-776e-8531-981d611c45df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087541
StatusPUBLIC

Content hashes

Canonical textc9faafcbc896282e26de5c51dff535c9cd86e417f8cfffde3dde22c254de0113
Markdown2bede914dee2e6898ac13d9a79b926772faf349ea8a75266c7d85a4589f230da
PDF
Publication pagea9446763b181ee693b8b1d2f6b355a4e4abecfa3bc54e614b3117563f3db141b
Manifestee69a72ade70657e8bb791f1e862cb39ac53ba251cfbb8b89ed6bcc1586f115e

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
SignatureB/840M3P8LhYWqXw8pMbw8DvK1drtan4TPr9d+084SbszdzQNS29O4Z7xJgx/9As5HTp1LP6W8NTmGTrwGbbDg==
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

2026-09-17T09:50:52.907768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087541
observed a9446763b181ee693b8b1d2f6b355a4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.889239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087541/manifest.json
observed ee69a72ade70657e8bb791f1e862cb39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.873727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087541/publication.md
observed 2bede914dee2e6898ac13d9a79b92677...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:52.856206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087541/publication.txt
observed c9faafcbc896282e26de5c51dff535c9...
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.