OpenTechnical

OT-2026-000064576

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064576) never changes.

Identity and time

Publication numberOT-2026-000064576 · never reused
Internal UUID01a0ae8d-a462-78f5-8fd0-a94aa9246808 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064576
StatusPUBLIC

Content hashes

Canonical textccdece3254295207a3e13c4a296f5f7beb87c10acf1b967afb5bdfe92ab9d056
Markdown760617f4ef29ac3dcc60ec7d8f041725d13995c4093cd9065e3f11ae30b913f5
PDF
Publication pagedac5999e29e4e61b56d8e2b5d2280415c3bd8a4fcf04a13312b3511cc15cacca
Manifest80a03d5cc92d17558bf3b06ceceff45731d40a77833c03e8d4d3bd31957abf70

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
SignatureqJhalzZunvpa4v5jMfdIDOdahLwiKV0sUeXU4VOv/z3yheu/ATW0+mzrh9dDaPN6B9H1EJIx2u+pyyDruj2vDw==
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

2026-09-17T10:36:48.345199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064576
observed dac5999e29e4e61b56d8e2b5d2280415...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.327459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064576/manifest.json
observed 80a03d5cc92d17558bf3b06ceceff457...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.311187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064576/publication.md
observed 760617f4ef29ac3dcc60ec7d8f041725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:48.293491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064576/publication.txt
observed ccdece3254295207a3e13c4a296f5f7b...
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.