OpenTechnical

OT-2026-000062266

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, vented after 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-2026-000062266) never changes.

Identity and time

Publication numberOT-2026-000062266 · never reused
Internal UUID01a0ae8c-0abd-7830-8ed6-2f15d7f2c75a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:48.542263Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062266
StatusPUBLIC

Content hashes

Canonical text79b3a56a370a98ab9045514fb93a93b250b886dfc7095bed2d94ef789b896999
Markdown05c8e8becffd9e13494feebb2316665af1b3a6272af4fc58724b3bbf11eb98fa
PDF
Publication paged899b2439e1467ceec3f5a6742962b6d64947856523abf80aab1444c8d99d100
Manifest856323c36699c9a6d383ae1e44fedfeeb751cc806ea2f5f0674e7efbaee668cf

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
SignatureWC3kE+ez94gu7oS6M+Q5RWUpOJBgESto0eswbe4FnThTl1H9epoDZhE2ilqeojzbhxF2nmcXmp21kpbhF0qpBQ==
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

2026-09-17T10:39:32.845095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062266
observed d899b2439e1467ceec3f5a6742962b6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.825689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062266/manifest.json
observed 856323c36699c9a6d383ae1e44fedfee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.808345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062266/publication.md
observed 05c8e8becffd9e13494feebb2316665a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:32.790427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062266/publication.txt
observed 79b3a56a370a98ab9045514fb93a93b2...
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.