OpenTechnical

OT-2026-000076872

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000076872) never changes.

Identity and time

Publication numberOT-2026-000076872 · never reused
Internal UUID01a0ae94-b070-7d05-8a47-80d07baa485e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076872
StatusPUBLIC

Content hashes

Canonical text92c138bf7705e607f5279b39c69c98f102301874c5e5bcbc200ff8dc52fc0bc9
Markdown69b3f1b20a56c8e7d24488d3ebe39553e32a38510b1f2809df5bf25c667ad9fd
PDF
Publication page2c29cfa227414837d11e79756ec88ed64780547db465b9d0e10e9862a31ecd47
Manifesta76826d0bf5ee9df85444cfce096ad5774ee759fee24b8c86465f522e6c5d27b

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
SignatureDwol+TOjgn6/huLCRldYrD2FHrRlsatE7uoIQjiV9n4N/2v9zt/t39O7cmFEnAuvZUADvA+l8Iax3W2K0HYfCQ==
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

2026-09-17T10:09:46.083032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076872
observed 2c29cfa227414837d11e79756ec88ed6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.063462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076872/manifest.json
observed a76826d0bf5ee9df85444cfce096ad57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.044068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076872/publication.md
observed 69b3f1b20a56c8e7d24488d3ebe39553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:46.003460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076872/publication.txt
observed 92c138bf7705e607f5279b39c69c98f1...
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.