OpenTechnical

OT-2026-000078497

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000078497) never changes.

Identity and time

Publication numberOT-2026-000078497 · never reused
Internal UUID01a0ae95-7c29-7c00-8e68-74e32c9f2c6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078497
StatusPUBLIC

Content hashes

Canonical text8c076ff2f12c419f43de24065ee3b3041d38ef1b7acf7343c49775b3a99c0684
Markdowndef49b9966b4fc1b07903656ae6b754efc8b2bb8bca4a2842f1a34a4c8d55615
PDF
Publication page78343dcc05dd188b0da85992146dcae73e676cb849aadab987408f55e1298802
Manifestdfe83b2689879e6a1595a83a17f48837869e71f6655c7ffe93b63655be8256ef

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
SignaturesP5+UbjMI8E42zfKiF6UJHmltvSF8gwhn2Uld8raxbj0QzFC/aAd1Fxk2n9M1vE0/D/BUxW9ROTLJKP0pWQcDg==
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

2026-09-17T10:06:30.462019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078497
observed 78343dcc05dd188b0da85992146dcae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.443613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078497/manifest.json
observed dfe83b2689879e6a1595a83a17f48837...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.426340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078497/publication.md
observed def49b9966b4fc1b07903656ae6b754e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:30.407941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078497/publication.txt
observed 8c076ff2f12c419f43de24065ee3b304...
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.