OpenTechnical

OT-2026-000029255

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down

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-2026-000029255) never changes.

Identity and time

Publication numberOT-2026-000029255 · never reused
Internal UUID01a0ae73-2aa1-7ee2-a024-facd7670b070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029255
StatusPUBLIC

Content hashes

Canonical text20bf7e17f95cfcbe18ec8c6db93e6c39f60605639d76a81903857f9dc7b908f4
Markdowna0adf0957009c79f1ea3ec03677a03b2fe0a5d678a888cd18fa02509b705efc5
PDF
Publication pageaaa87cde1abc06b326dc916d4c062caa458c34fccc15ac2f1cd1571ee4181d70
Manifest610edcc8dd82cf792e6577e038cc3da1ede50cebf45aedb6e41b1f400703d617

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
Signature9c1FzN9iqAbQ4mATcdN31GhEhfNZpf3S9AzZPqQN/HGZHm+uU2uU35NipJGFF9v/PvciKNnmgn3KSXVz8GnCDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:53.078485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029255
observed aaa87cde1abc06b326dc916d4c062caa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.060754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029255/manifest.json
observed 610edcc8dd82cf792e6577e038cc3da1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.043125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029255/publication.md
observed a0adf0957009c79f1ea3ec03677a03b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:53.026913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029255/publication.txt
observed 20bf7e17f95cfcbe18ec8c6db93e6c39...
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.