OpenTechnical

OT-2026-000098285

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000098285) never changes.

Identity and time

Publication numberOT-2026-000098285 · never reused
Internal UUID01a0aea1-e964-7301-9356-26646fcf7ce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098285
StatusPUBLIC

Content hashes

Canonical text27404678c6bdda5ae681d4e1734337905299f5b8cf8bda66577febad3a8a37d1
Markdown7d48ffcad975f9fd07f2647d0cd8b44d80f07d0a225209a9b676287856586ae8
PDF
Publication page484bee1315edfba16e78251c5f6b2c76a6ad21b9cf93824a1ef4a03085a2b01b
Manifesta2c6607a1ca6de09b9e80b5c63f9d29198c0245c98ffe837a9ab6267b4096a96

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
SignatureM4wilM1Pmidrh5kmM1YBU8rZaHEb7KE3yKCZU100uLwciypE/c3zuXEbzH1OvLiQBEHDyWd5W7muqfu0HKotDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:28.883333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098285
observed 484bee1315edfba16e78251c5f6b2c76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:28.865614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098285/manifest.json
observed a2c6607a1ca6de09b9e80b5c63f9d291...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:28.846738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098285/publication.md
observed 7d48ffcad975f9fd07f2647d0cd8b44d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:28.827696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098285/publication.txt
observed 27404678c6bdda5ae681d4e173433790...
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.