OpenTechnical

OT-2026-000078192

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000078192) never changes.

Identity and time

Publication numberOT-2026-000078192 · never reused
Internal UUID01a0ae95-7c26-746d-b9cb-9793d6ba35d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078192
StatusPUBLIC

Content hashes

Canonical text2dcc5509dde5b7105d58b3442ba07fdc480958317b17bd27e7472ea8612af3a0
Markdown803b4dc5660f142e6c4608d8e5d7c4f498c681710654ff8439d122f30da09547
PDF
Publication page5ca066c85120d41d87f7dc7f1be05f421ecda9e967707ba4cba9e80fbf492f45
Manifest3ec5e9b205ce4815bd014a1af824517c2ed84e2ed063a4379451e0534b734180

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
SignatureHKBJ64ZQQDIoEbZSFL2p0oqKmDdYlNbd12znZIsXo4aRkCANZVEfjUJL/fw/I3KBetfNNqO11EF8/ON2i10oDw==
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

2026-09-17T10:06:03.062580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078192
observed 5ca066c85120d41d87f7dc7f1be05f42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:03.012250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078192/manifest.json
observed 3ec5e9b205ce4815bd014a1af824517c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.992933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078192/publication.md
observed 803b4dc5660f142e6c4608d8e5d7c4f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:02.941664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078192/publication.txt
observed 2dcc5509dde5b7105d58b3442ba07fdc...
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.