OpenTechnical

OT-2026-000092824

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000092824) never changes.

Identity and time

Publication numberOT-2026-000092824 · never reused
Internal UUID01a0ae9d-b601-7ec8-aac8-5d8120942ef6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092824
StatusPUBLIC

Content hashes

Canonical texta63b5132aa8a32ccbc9551db8a3c95261e2a7ff5d44029f909141ed3b0daeec5
Markdown85140868972a96e84da6077fdadf2a4fe057c0296da49278900258b91540d2bb
PDF
Publication page40dd56723898470ba5d0bb9511ece3f3396e32f7a5de7b2d8963b3db4e31b4e3
Manifestb3866e7219fe10999fab98b84f4d93af6be2bdc92c9f63de5bf3c799e1389036

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
SignatureZ6sFkyEUgTAMkrTQInfW85a6EDWVlIjcMs3tEzcuJAqpqCz12ct9X27WGBLYmEKp7eoM5VHd8LCHTFj7STr3Cg==
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

2026-09-17T09:41:28.412187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092824
observed 40dd56723898470ba5d0bb9511ece3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.396200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092824/manifest.json
observed b3866e7219fe10999fab98b84f4d93af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.379377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092824/publication.md
observed 85140868972a96e84da6077fdadf2a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:28.362836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092824/publication.txt
observed a63b5132aa8a32ccbc9551db8a3c9526...
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.