OpenTechnical

OT-2026-000022733

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000022733) never changes.

Identity and time

Publication numberOT-2026-000022733 · never reused
Internal UUID01a0ae70-46e9-72dd-9c95-216d8a6602dd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022733
StatusPUBLIC

Content hashes

Canonical texted4dcd40077d5842f2d38754dfb19283503aefc7ee73ac766c453174bc3ffd1f
Markdownbcf8c19de148c46e281742e711e11c9ed6ca1a779bf289a7d929084be548d545
PDF
Publication paged86b2690fc297e77089632762e630148ab360057dec38b6474ee3650eaeda566
Manifestcfa65a720ae1e34b0352353f83aa6d65b1e21ea439f6c165c2cde649170bfd0e

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
SignatureP8hkLlihRFwc05mA52bxJxebm193zEVuBVXOaHal6trRu+0EI5yewo2uUZFCrY/5NnI+h0LijB0HiXnU0sMuBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:14.272123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022733
observed d86b2690fc297e77089632762e630148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.254061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022733/manifest.json
observed cfa65a720ae1e34b0352353f83aa6d65...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.234014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022733/publication.md
observed bcf8c19de148c46e281742e711e11c9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:14.217340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022733/publication.txt
observed ed4dcd40077d5842f2d38754dfb19283...
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.