OpenTechnical

OT-2026-000074916

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000074916) never changes.

Identity and time

Publication numberOT-2026-000074916 · never reused
Internal UUID01a0ae93-ac2d-7367-b545-7a56e5c143b3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074916
StatusPUBLIC

Content hashes

Canonical text8cddc960d1d044b1eb38ba219b0c4160ecc090403faf4b4720f730aa150c4ad0
Markdown31d3bd58ee719d8b62a35cde13debf0c536f9a80dd0425a537053db0ac56f84c
PDF
Publication pagefdb1999fea9d19faf1d54403b11ea8de34654d2acfdca3ec14337eda7d5ddbda
Manifest46dcedadafb2c159805e41757b2c3e83fa511f1f296dc2442f83a84867e77aff

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
SignatureOaQPazVV8hu1eSQGjXjavm9Rpvo2HipEbCzTJ4R30G4eR7T+onGxSvo1MU//J7/c6b9SUFwU7olRjnyW3gaHBw==
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

2026-09-17T10:18:38.504010ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074916
observed fdb1999fea9d19faf1d54403b11ea8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.484560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074916/manifest.json
observed 46dcedadafb2c159805e41757b2c3e83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.466573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074916/publication.md
observed 31d3bd58ee719d8b62a35cde13debf0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:38.449970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074916/publication.txt
observed 8cddc960d1d044b1eb38ba219b0c4160...
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.