OpenTechnical

OT-2026-000081276

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000081276) never changes.

Identity and time

Publication numberOT-2026-000081276 · never reused
Internal UUID01a0ae96-f374-7d72-8b70-114c75f9b378 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081276
StatusPUBLIC

Content hashes

Canonical textb46fe872d2c13b699316867d02f39ade670abfcfdd1fc8e0e7ffd583e3120f6a
Markdown8d453e24ee8aaca8984f3803da7f229647032faf532b76b4507f35d0da9f1760
PDF
Publication pagebc2d334848725d31bff60f85570e27a1ff664e4ebd3911f38028d99f0d3aee52
Manifesta7be498e6a66dd05fd46401dac7eb40b987bd991524c83eb9c3ecc1cd424a004

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
SignatureldzkVA4IvaXw0qCOXL6EOoZ9PttU2b60/D1I/iMUzNAbBK0lCmPPeh0abtZVYTXPdDNGZDFMeuXDWW/9H1MNCw==
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

2026-09-17T10:01:22.728540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081276
observed bc2d334848725d31bff60f85570e27a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.708473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081276/manifest.json
observed a7be498e6a66dd05fd46401dac7eb40b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.686028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081276/publication.md
observed 8d453e24ee8aaca8984f3803da7f2296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:22.668816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081276/publication.txt
observed b46fe872d2c13b699316867d02f39ade...
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.