OpenTechnical

OT-2026-000088942

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four 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-2026-000088942) never changes.

Identity and time

Publication numberOT-2026-000088942 · never reused
Internal UUID01a0ae9b-8f11-742e-8814-cb8249ed29e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088942
StatusPUBLIC

Content hashes

Canonical textdef11cc20090029935a395b54802251f31b43bdbec81adad93051bf5caf80aab
Markdownf84445774de5a62d88bce09be2f4760aaf81d78694513254cf2d3897a67b295c
PDF
Publication page7df15c3c5ea2a56fcac99eb9600c9162478bdc547d929bb630008c4cf697fb36
Manifestd92ad28f9609c445dfe2c3f79aec25057c06d7a6cad4a4892129d28fc06822cc

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
SignaturePI/wM8BCrPJXFZKstIl+eUbFjwZbH9QpYG43jmkSL0JGVx1RWuAPjcjSes+SqHPI7dUMiRowh5pgEOoLWFLeCw==
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

2026-09-17T09:48:21.220282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088942
observed 7df15c3c5ea2a56fcac99eb9600c9162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.201711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088942/manifest.json
observed d92ad28f9609c445dfe2c3f79aec2505...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.183025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088942/publication.md
observed f84445774de5a62d88bce09be2f4760a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:21.165837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088942/publication.txt
observed def11cc20090029935a395b54802251f...
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.