OpenTechnical

OT-2026-000100406

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000100406) never changes.

Identity and time

Publication numberOT-2026-000100406 · never reused
Internal UUID01a0aea3-66ee-75eb-9d62-d87824726a5f · 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-2026-000100406
StatusPUBLIC

Content hashes

Canonical text06b8bfb78301c77837d6c58968cf7a64e9e26ea85b4996e3028e4a6a465ffe1a
Markdownac2d789b0f5695eef5ee40a20e2a005a7409d4f299904e7e002cb9aaa6b54546
PDF
Publication pagea14c39f750869ea599dd909db88c366620354e5d7d7dc2c7774a0ad2fd774c15
Manifest1fda5ff44a7eac56493c3986e193dccf3370034c3d261107edf467810d3286af

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
SignatureXisA6jkBXtcjvbcTOXULqA8FBpKpujw0biMnJw+I9LV1mwBuIftY3O6PkOGrOcJ9tC/RaBkKhOoztRwlpmihDQ==
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

2026-09-17T09:27:08.694200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100406
observed a14c39f750869ea599dd909db88c3666...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.679001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100406/manifest.json
observed 1fda5ff44a7eac56493c3986e193dccf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.662415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100406/publication.md
observed ac2d789b0f5695eef5ee40a20e2a005a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:08.643823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100406/publication.txt
observed 06b8bfb78301c77837d6c58968cf7a64...
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.