OpenTechnical

OT-2026-000008235

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000008235) never changes.

Identity and time

Publication numberOT-2026-000008235 · never reused
Internal UUID01a0ae6a-908d-7e7f-b15c-edf9b030ac2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008235
StatusPUBLIC

Content hashes

Canonical text3aa1f22a499c1f235fe3808552f819de49e53bfb75d945157afc07a9b662aa21
Markdown2642744d0706a38473387360406c4747083c9c2718fd18d5107474d734f64dd3
PDF
Publication page62a80f3b9f50a678d778569c333ae314f5b90c4abcee8ef8356bbea59f53a88d
Manifesta8eb5f91e5c9d1d75f4db255ac2eab0afb99d9c90fa8751fa2df0402d1520069

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
SignaturePjEiLeuqvXDULV8ONCWB3yXljSeiQNxv5mVp+JoUF9+LMsXzPfZKruFI6mF/kam9tsPUI6EaFh9I2grmfZmSAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:39.470509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008235
observed 62a80f3b9f50a678d778569c333ae314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.453294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008235/manifest.json
observed a8eb5f91e5c9d1d75f4db255ac2eab0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.436019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008235/publication.md
observed 2642744d0706a38473387360406c4747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:39.414149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008235/publication.txt
observed 3aa1f22a499c1f235fe3808552f819de...
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.