OpenTechnical

OT-2026-000081800

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, vented after 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-2026-000081800) never changes.

Identity and time

Publication numberOT-2026-000081800 · never reused
Internal UUID01a0ae97-0f74-75d5-a0a8-29112a503b0a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081800
StatusPUBLIC

Content hashes

Canonical text3bb0fc497d23f874758af1b42bdba43d16cbe21ecf9d9b5f157fc4994ad5bd9c
Markdown4101373eec1b0caa4bcb681db2ec1d2cfc7a53a1292187ef4fed482fe1ed980a
PDF
Publication pagef8140b0657cbde84190a4a9918db6d394179f31fef812ec88593941daf9d6af9
Manifeste8db79928cbbcea19094de1aecd24bbd461e508c0a26da2fc01e3ab289fe6bea

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
SignaturelJRnP7Dimm6j1Mul2k+K/IxraBafyvjF5ayvf2VT6uk1SdYiHQDv25qMASBtPvKLjwhdj5V09Hmr/1GZNTCYAQ==
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

2026-09-17T09:59:54.058730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081800
observed f8140b0657cbde84190a4a9918db6d39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.038740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081800/manifest.json
observed e8db79928cbbcea19094de1aecd24bbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.020386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081800/publication.md
observed 4101373eec1b0caa4bcb681db2ec1d2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:54.001709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081800/publication.txt
observed 3bb0fc497d23f874758af1b42bdba43d...
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.