OpenTechnical

OT-2026-000034820

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000034820) never changes.

Identity and time

Publication numberOT-2026-000034820 · never reused
Internal UUID01a0ae76-1ed3-7260-b1fc-74d9a573b832 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034820
StatusPUBLIC

Content hashes

Canonical textae4955c75327b6bf9b32f27f06c49d43a044558997ae05ad857c8031395b8f8b
Markdowne628da6090fb17352a522c2c4f93f64be57418457d04058d0e338fe46f295040
PDF
Publication page48dead2b41f59652d141abb1130255c2b26aa09142fadc48b983f6b5e4449540
Manifestceb91c426f772f054b3dd3bae9fc4130e9c5d8327134668639dcae69017075ba

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
SignaturetQNUDnJOjftjGP52hLSshHLgYKeCgbUO8qmLoGqYh9pzinWGhDzWZkmkHj63SKGJ5I5hJNhY3mDorvgDVGyCAg==
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

2026-09-17T11:30:26.666143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034820
observed 48dead2b41f59652d141abb1130255c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:20.146933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034820/manifest.json
observed ceb91c426f772f054b3dd3bae9fc4130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:20.126737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034820/publication.md
observed e628da6090fb17352a522c2c4f93f64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:20.109139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034820/publication.txt
observed ae4955c75327b6bf9b32f27f06c49d43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.354683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034820
observed 48dead2b41f59652d141abb1130255c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.338125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034820/manifest.json
observed ceb91c426f772f054b3dd3bae9fc4130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.320224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034820/publication.md
observed e628da6090fb17352a522c2c4f93f64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:48.300428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034820/publication.txt
observed ae4955c75327b6bf9b32f27f06c49d43...
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.