OpenTechnical

OT-2026-000073270

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented before 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-2026-000073270) never changes.

Identity and time

Publication numberOT-2026-000073270 · never reused
Internal UUID01a0ae92-efb7-78c2-b9b6-6fd77c2962cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073270
StatusPUBLIC

Content hashes

Canonical text30e2072f35f46e0d9d643a2b8643b2b2cb359972e539ed15f806546f2c1675b1
Markdown2174d1335be3577880be4172ebacf86dfb5f89428279900fecead0db4e6b9e8b
PDF
Publication pageaf4057eabd71681e881c1e69c04c5b453ea45f4a205c17c685579d349f29387a
Manifest77f5391c0093abe8ead7f9c29d0c02c6dc9f17d39ca10337f3031c6a9092e0c6

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
Signature7OKcNiVgxAom+BUzwvL3D13kFoDXcjQT3DFURBDBRHJKXqFlmjk425PfGltHsiTSFVArC1uas/4IPVRtkTOjCw==
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

2026-09-17T10:21:13.602083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073270
observed af4057eabd71681e881c1e69c04c5b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.582577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073270/manifest.json
observed 77f5391c0093abe8ead7f9c29d0c02c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.563956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073270/publication.md
observed 2174d1335be3577880be4172ebacf86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:13.515004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073270/publication.txt
observed 30e2072f35f46e0d9d643a2b8643b2b2...
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.