OpenTechnical

OT-2026-000076268

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000076268) never changes.

Identity and time

Publication numberOT-2026-000076268 · never reused
Internal UUID01a0ae94-6a6f-7b89-80d5-966864bb8848 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076268
StatusPUBLIC

Content hashes

Canonical text9e06ca9e23cb4db73d30fa143f6551bc047e65fa20735215c68b073fb6d39b0d
Markdown2866983299dc93447f214c6d190db805bb59c4134e1666790307119cdc6760e7
PDF
Publication page0007910773618bc5352f7f69267eae20202cd8ab167ffda2c62fc31d07bacb48
Manifest3f6c84370dfd9e6ad04dd9ecec97e27795ca946b376ebe08c0fbb15509caec06

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
SignatureGslhWS52nvpHhcYOXjJSCTkTaGQTKhNFDWGJVM3F2ApV/Xyidba35N+4bADIqATESiJWBxO3Ykjs4rj3j7OBAQ==
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

2026-09-17T10:12:00.467351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076268
observed 0007910773618bc5352f7f69267eae20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.443740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076268/manifest.json
observed 3f6c84370dfd9e6ad04dd9ecec97e277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.302451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076268/publication.md
observed 2866983299dc93447f214c6d190db805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:00.280632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076268/publication.txt
observed 9e06ca9e23cb4db73d30fa143f6551bc...
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.