OpenTechnical

OT-2026-000093979

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, 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-2026-000093979) never changes.

Identity and time

Publication numberOT-2026-000093979 · never reused
Internal UUID01a0ae9e-92c9-7e87-9b68-0dac22b360e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:03.009208Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093979
StatusPUBLIC

Content hashes

Canonical textdd943a51e05088197cea75cd6ac146d42fdde4ab0b32b7166221774c7f534d50
Markdown94ff80ee48b05689991e2ed025a9b25c1fd92a505b43a36bb47bb0888cd95ea8
PDF
Publication pagee4c7aad667c97a680a9a2d9059dbbb3100303fc4e844da0b38d724edc05960aa
Manifestbf5d3b12761b4739f3535b7024d22bc92a1dab65dd982c47627bd5a8ab01c5c2

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
SignatureeJZ+iqzt8ht4rXsLYl8QvVc70RU9mXsJkTpUsjXLRDl4Uq5bmwu9fZqk/71di6V+quv1T0/stbSNxiPX2Xz5CQ==
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

2026-09-17T09:38:22.884159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093979
observed e4c7aad667c97a680a9a2d9059dbbb31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.866102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093979/manifest.json
observed bf5d3b12761b4739f3535b7024d22bc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.847771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093979/publication.md
observed 94ff80ee48b05689991e2ed025a9b25c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:38:22.830166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093979/publication.txt
observed dd943a51e05088197cea75cd6ac146d4...
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.