OpenTechnical

OT-2026-000092087

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000092087) never changes.

Identity and time

Publication numberOT-2026-000092087 · never reused
Internal UUID01a0ae9d-43bc-72da-bb52-377e0a668309 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092087
StatusPUBLIC

Content hashes

Canonical textcd438b57f1006a9b31e64d23785c664a7a131cb75a6bf1b33086590a30ba77e4
Markdown1b333fc73ddcf4484ee89bf5044baf471342d10d9891bd3a4e2472dd41b15c16
PDF
Publication pagecc5d674ba6573202e10d3399e39a3888307bbcf38e1c11b72060870e17ebd22e
Manifest622757ef684c2c656e28b73ad44fc9d420d15b19de4628f351b852aabfe1b544

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
SignatureD60I2RdBdBbxgiCtEiO3Q5DZKfBG8h2sC+5lDr0wVoiQTww54EEZ92cKsun4s5UET+2cqRtW5FtwUARUreVnBA==
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

2026-09-17T09:43:11.650674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092087
observed cc5d674ba6573202e10d3399e39a3888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.631962ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092087/manifest.json
observed 622757ef684c2c656e28b73ad44fc9d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.615227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092087/publication.md
observed 1b333fc73ddcf4484ee89bf5044baf47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:11.598445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092087/publication.txt
observed cd438b57f1006a9b31e64d23785c664a...
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.