OpenTechnical

OT-2026-000080678

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented after set-down, on a tool changer

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-2026-000080678) never changes.

Identity and time

Publication numberOT-2026-000080678 · never reused
Internal UUID01a0ae96-b973-75a5-a9ca-9d4fb69030f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080678
StatusPUBLIC

Content hashes

Canonical texta0582b6540e172c153d75caa0ecede417058ea8581f0dc2e4c5128584d2e1806
Markdowna9e9f26c126c85eef480e242be182824d92c1aac05d50a44f1601843aa3592a0
PDF
Publication pagec273f045858ae418bbaa7eb9efd7718aefb477ec98ce50d84274ad3d16c83f61
Manifest5a5cba07765e168cca9142e4ac1ee045c20be6fe3c71a1381271b68576ec13db

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
SignatureMNM3+QPLJ9+PHP8uhZYzzITEjsA59+ZFKlvwmoHciZ4N7hGWLQd9RyyA3PlxELiSIg6D2uAJ428C0jvHbLJfAQ==
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

2026-09-17T10:01:42.630287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080678
observed c273f045858ae418bbaa7eb9efd7718a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.615134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080678/manifest.json
observed 5a5cba07765e168cca9142e4ac1ee045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.596698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080678/publication.md
observed a9e9f26c126c85eef480e242be182824...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:42.579228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080678/publication.txt
observed a0582b6540e172c153d75caa0ecede41...
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.