OpenTechnical

OT-2026-000062866

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, vented after 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-2026-000062866) never changes.

Identity and time

Publication numberOT-2026-000062866 · never reused
Internal UUID01a0ae8c-94a8-7a68-8818-eab41704ef09 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062866
StatusPUBLIC

Content hashes

Canonical text4ce63f1590a25c76aa9572c97c24fcf0c4a13d6f69243aabfc98752f9b9f76ca
Markdown297b4a7327fe1fb936ecacd1281e4755877dc8aae34c5f1797a3af87033263e7
PDF
Publication page3186e266eb77036caca6db7826ef822de4eb7f37fcd4a721bb1aa49996bcf2a5
Manifest15b855506faf041984855f723d29300bb4df89bb630db19c79ff4bd30aee0977

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
SignatureF3joX9pCTNQ/X5ThCkgtQIs5ewtm0sPxXdBs3mHR2UjOmaALhWtORoFHV0Yszk7gv2mT8m/QPORah7vFZpCKCA==
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

2026-09-17T10:40:13.205459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062866
observed 3186e266eb77036caca6db7826ef822d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.182417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062866/manifest.json
observed 15b855506faf041984855f723d29300b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.158745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062866/publication.md
observed 297b4a7327fe1fb936ecacd1281e4755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:13.135947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062866/publication.txt
observed 4ce63f1590a25c76aa9572c97c24fcf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:34.006990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062866
observed 3186e266eb77036caca6db7826ef822d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.989497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062866/manifest.json
observed 15b855506faf041984855f723d29300b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.974168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062866/publication.md
observed 297b4a7327fe1fb936ecacd1281e4755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:33.957886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062866/publication.txt
observed 4ce63f1590a25c76aa9572c97c24fcf0...
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.