OpenTechnical

OT-2026-000005141

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, three stage ejector, contact triggered on the face

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-2026-000005141) never changes.

Identity and time

Publication numberOT-2026-000005141 · never reused
Internal UUID01a0a92f-3037-7979-b1d3-ddff59feb658 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:47:17.179103Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005141
StatusPUBLIC

Content hashes

Canonical text935b16bf2fcff0880f9cff024d7f0156b869b7a25db74653cc420cc9c229fd46
Markdown8ea2d5718900bf96a3e24fd97fc854cbed33eefcd29450112facab8a8e522660
PDF
Publication page0c9cdc834fbba2b124e4996e7a00c45b13bd8bfd16b5df93d5ea4efa6ced7675
Manifestd9dfc0e4a884e89dd409d477c757df7f80cb8e968c7bfc452360636ec76fb238

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
Signature33vl5eklzDALBYP6jRtANNrKRvTkLLDwaONC3k8/cao2HThru5vXg3/AAsDdH9bOuMmJ1iWLx5uEDOyYHAK+DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T07:50:10.963683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005141
observed 0c9cdc834fbba2b124e4996e7a00c45b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.950049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005141/manifest.json
observed d9dfc0e4a884e89dd409d477c757df7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.935720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005141/publication.md
observed 8ea2d5718900bf96a3e24fd97fc854cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:10.922028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005141/publication.txt
observed 935b16bf2fcff0880f9cff024d7f0156...
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.