OpenTechnical

OT-2026-000077051

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000077051) never changes.

Identity and time

Publication numberOT-2026-000077051 · never reused
Internal UUID01a0ae94-f506-7ecb-a71d-406335ae4319 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077051
StatusPUBLIC

Content hashes

Canonical text7891299b5513e9869aadb3ca496ec723e9963639ae3fa7e75ef726f8090d0dab
Markdown00597d7d75e17188639d7a20f8bfd148edc698727964da0334a8c26ab94e7104
PDF
Publication page7e5fae724e074bc2b0835e9e61b2a84ec7fa79bfbdc006ddbd4e438ef6f5f597
Manifest148d3daec1b90edc4b604d7884a7835a408fe0deac92f6a3c3854e08c7e002bf

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
SignatureNNcrZXeCY7tjxc7DYcCQ3mJD/mzLIcQbyIt84AjElgJcsLewHGcIAEIK6RkyqJyATXGxMb4OLnonqhthW638Cw==
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

2026-09-17T10:11:13.767642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077051
observed 7e5fae724e074bc2b0835e9e61b2a84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.746923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077051/manifest.json
observed 148d3daec1b90edc4b604d7884a7835a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.726782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077051/publication.md
observed 00597d7d75e17188639d7a20f8bfd148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:13.705676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077051/publication.txt
observed 7891299b5513e9869aadb3ca496ec723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.186894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077051
observed 7e5fae724e074bc2b0835e9e61b2a84e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.159524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077051/manifest.json
observed 148d3daec1b90edc4b604d7884a7835a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:30.140062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077051/publication.md
observed 00597d7d75e17188639d7a20f8bfd148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:29.831427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077051/publication.txt
observed 7891299b5513e9869aadb3ca496ec723...
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.