OpenTechnical

OT-2026-000077807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed 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-2026-000077807) never changes.

Identity and time

Publication numberOT-2026-000077807 · never reused
Internal UUID01a0ae95-2ed0-75e8-9843-f816f387cc1b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077807
StatusPUBLIC

Content hashes

Canonical text30bb2ae4e979b26e61c874a73ca3a59b239b828712e679e096589206907fd68e
Markdown1ea2da61b9d5a984af3b92a8a1b8882177b0078097faec277ee8580e4ca56925
PDF
Publication pageb91f7202ed5039f8ea20c1c233f1c8365c5098f116944d180208bc7d68c7a8e9
Manifestb553827db40532c991c7e9a819ab568c3fd6112f780bff1049e08bbbb978a4ba

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
SignatureB2L6PhqCizo+lP6/8H778dfVnSwkeBbivN8lXOPdntlBr/K2CJ5cTJhubR2S0GLn5eeiISrUo0DdAOESOaihDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:07:23.901863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077807
observed b91f7202ed5039f8ea20c1c233f1c836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.884298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077807/manifest.json
observed b553827db40532c991c7e9a819ab568c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.865398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077807/publication.md
observed 1ea2da61b9d5a984af3b92a8a1b88821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:23.847112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077807/publication.txt
observed 30bb2ae4e979b26e61c874a73ca3a59b...
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.