OpenTechnical

OT-2026-000089145

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, supply line pressure sensor, 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-2026-000089145) never changes.

Identity and time

Publication numberOT-2026-000089145 · never reused
Internal UUID01a0ae9b-db00-76e8-bcb6-80ebe61eba76 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089145
StatusPUBLIC

Content hashes

Canonical text8ba9d3b4868280c8e230cd6aa94360f5cf06103a1a97a30a37934c6d62e65bf6
Markdownc08e6964544330cbe81337d218f254ad36ee337de98e12df7efb61da142e3fff
PDF
Publication pagea5a82cf6c4608a00665c2b3ad288beb34b460058fa605139ee16cc84c9d31668
Manifest8e5d1bb06e37b6ff6dd7adcc0bc4963d879486496a31438eb07cad79401dbfab

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
SignatureNKpPPxIQUTkEQn4z/g/Bxpa851G5Xmkr+Qwa9ShVI7EH1hiroGKHqba69yFNfRXfuEG6n+nGPV9qrNQxI1aNCA==
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

2026-09-17T09:47:04.007488ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089145
observed a5a82cf6c4608a00665c2b3ad288beb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.989692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089145/manifest.json
observed 8e5d1bb06e37b6ff6dd7adcc0bc4963d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.973092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089145/publication.md
observed c08e6964544330cbe81337d218f254ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:03.956737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089145/publication.txt
observed 8ba9d3b4868280c8e230cd6aa94360f5...
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.