OpenTechnical

OT-2026-000080909

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum fed, 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-2026-000080909) never changes.

Identity and time

Publication numberOT-2026-000080909 · never reused
Internal UUID01a0ae96-b975-708c-83ad-dd6b55c0753b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080909
StatusPUBLIC

Content hashes

Canonical text6864b69713d18f304e43dd633ebc7dacee7b4315cdbcded0448ee23110610159
Markdown8d42b184b8cd8bf752347fa7a0ddc4e8e241615afa57bbcecf20bc5de7b39721
PDF
Publication page35fb8015d40d77c172f6ffb361a1024197fc19efc6456dc22f77277522d16e50
Manifest59c35649d50c86c5f216e884bd0b64e81282a993d3aff783be385a24cafde739

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
Signaturef5RmVsgS/PIheJYr++uKA0x55ciF0CLDmwaXcIzmxpMnEiSYfUrekM7EU+PIUu50cWVziuKfvzPjdVkpjBp7DQ==
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

2026-09-17T10:01:40.253373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080909
observed 35fb8015d40d77c172f6ffb361a10241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.232523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080909/manifest.json
observed 59c35649d50c86c5f216e884bd0b64e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.216049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080909/publication.md
observed 8d42b184b8cd8bf752347fa7a0ddc4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:40.199606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080909/publication.txt
observed 6864b69713d18f304e43dd633ebc7dac...
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.