OpenTechnical

OT-2026-000100617

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, 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-2026-000100617) never changes.

Identity and time

Publication numberOT-2026-000100617 · never reused
Internal UUID01a0aea3-66f2-7a7c-9c30-f2fe186df139 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100617
StatusPUBLIC

Content hashes

Canonical text5ff342ce2285c738ec32592839d5e28050e0594f873350b5bd09b0ed5e48cdd5
Markdownff67f84ae1969cb71d1a55e26b2f0a4d02bfb85cd2406b2e0b4a0617682070e0
PDF
Publication page8f065942e237ed19ef01b1b5f95bdea1a6ff49a5dfec56be03de5ae23ba49132
Manifestfcffa9acce81aa5d494f09f7ec6849459da8eac1680bffb06f652598c74e09d6

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
SignatureSVmpHnFoqDw0ef/3YnTCQ0QJS3B6tDRasjD7va16BGajOmxocQITcmpuojuhQJzerfrC+Mi7Zv+oJdRYP5bDBQ==
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

2026-09-17T09:27:24.793992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100617
observed 8f065942e237ed19ef01b1b5f95bdea1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.775110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100617/manifest.json
observed fcffa9acce81aa5d494f09f7ec684945...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.757050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100617/publication.md
observed ff67f84ae1969cb71d1a55e26b2f0a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.737922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100617/publication.txt
observed 5ff342ce2285c738ec32592839d5e280...
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.