OpenTechnical

OT-2026-000071294

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000071294) never changes.

Identity and time

Publication numberOT-2026-000071294 · never reused
Internal UUID01a0ae91-e0ec-7f4b-ab56-6d2d04cff653 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071294
StatusPUBLIC

Content hashes

Canonical textc3812e49ccdbf8d27a4c149d799b29f106ee887177e820275ca6c2c08f31577b
Markdown309075313cdb5c68225f34bbd78781d3e6000a29cc285970560dbbc18a57873a
PDF
Publication page76ff95851e0c834c3dc90443e84a9c758a948dc95734167edf2a972dbfa0615c
Manifest3711099623e7acf29ea10a0ae2b551937064275d64a32b49c5da674022327937

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
SignaturetfciqwWd3UwC7FgqvhX1ozQzM2XfcH0c8abre3MXjoxa7PdE93eZsgrZvmz49zWor4TNdFuesy7MSUUd4H7LCA==
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

2026-09-17T10:24:52.670625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071294
observed 76ff95851e0c834c3dc90443e84a9c75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.483839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071294/manifest.json
observed 3711099623e7acf29ea10a0ae2b55193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.465330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071294/publication.md
observed 309075313cdb5c68225f34bbd78781d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:51.445621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071294/publication.txt
observed c3812e49ccdbf8d27a4c149d799b29f1...
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.