OpenTechnical

OT-2026-000087383

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, 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-2026-000087383) never changes.

Identity and time

Publication numberOT-2026-000087383 · never reused
Internal UUID01a0ae9a-cd4f-766f-b86d-10acfaf66cc1 · 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-2026-000087383
StatusPUBLIC

Content hashes

Canonical text4c6679d67b87d75eab430a0af6f8dcc47864db826f652a1fd00c4cbae6db2278
Markdown4bc7a89d43863bd7d1aec6d1e68c78c9c4dc1ee83a2de85e7a0ed9e090d64aa4
PDF
Publication page2e22e3edb503d9ed91abc87778b8c98c4c08bce81ded210216d216a4ae2dfde4
Manifest9e00e34a2bf8880d8d2cddf92a16d51e0c8e7b6472b058bc0dfb04228bc8ed60

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
SignatureLNStEmAWLmuGOabEoMQZWitotwNHhP3ZXg5M2XB/vaHkXus5YBpPRuQFgQTgNJjB0Ah0+9/veA9zbZbxcw4EDw==
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

2026-09-17T09:50:41.207011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087383
observed 2e22e3edb503d9ed91abc87778b8c98c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:41.186984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087383/manifest.json
observed 9e00e34a2bf8880d8d2cddf92a16d51e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:35.231183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087383/publication.md
observed 4bc7a89d43863bd7d1aec6d1e68c78c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:34.929904ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000087383/publication.txt
observed ...
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.