OpenTechnical

OT-2026-000011269

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, 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-2026-000011269) never changes.

Identity and time

Publication numberOT-2026-000011269 · never reused
Internal UUID01a0ae6c-5410-76b7-966e-d6bcd962173f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:10.156048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011269
StatusPUBLIC

Content hashes

Canonical text71eedd8c71f1747f98517792fecb318ae67251dde702a61c5dbaed9f42ee636a
Markdownea67e21bbaec8738f9f274d3215ea1aa41f7944dafba9b924036f3a2e2e2438b
PDF
Publication pagef373321b7db8acf9e43c52d8aa2650dd0c3ba314e59ad8f5f04d91e31d5aec01
Manifest43e3ec6da83e982e709c8e03f774d6a8ed7bcd6a529a0b60628ec37d8e746b53

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
SignatureSh4tt2unQAGjZIy+Bxgk8ALw22cZi3M5rldhljtqhbKCkS70IoRIFD+BbvtX/0v2sJFOurMdj+fqSDVDe/7BBw==
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

2026-09-17T12:14:14.521830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011269
observed f373321b7db8acf9e43c52d8aa2650dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.501564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011269/manifest.json
observed 43e3ec6da83e982e709c8e03f774d6a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.483560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011269/publication.md
observed ea67e21bbaec8738f9f274d3215ea1aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:14.462688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011269/publication.txt
observed 71eedd8c71f1747f98517792fecb318a...
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.