OpenTechnical

OT-2026-000073294

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000073294) never changes.

Identity and time

Publication numberOT-2026-000073294 · never reused
Internal UUID01a0ae92-efb7-7b06-98cf-095efaf58b58 · 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-2026-000073294
StatusPUBLIC

Content hashes

Canonical text2bf87a6f14c16a2331877a08d58db19ae8ae5a843bbf4329cdce6ba9c7316fa1
Markdowna86ba352eecd359fc5a8831edacf36e6e3184dc6c1350918780a77e61907d289
PDF
Publication page7cc3d78e53ba260b4b88f96fbaef3a49999e9b04491d8af6b5ee7bfa38c726da
Manifest95956697d66ccaf707620fae7d2087540724f872683b83682aab7d810edba6e2

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
SignatureSC5rJCLaJL9Pao1EmvWgq+jIvW8UMICUxJkmn8j+WgJQixMSdUVFqr4SI2DhaIwOtfbjWzVGmINZTaB1e+g3CA==
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

2026-09-17T10:21:18.194427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073294
observed 7cc3d78e53ba260b4b88f96fbaef3a49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.174047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073294/manifest.json
observed 95956697d66ccaf707620fae7d208754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.153907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073294/publication.md
observed a86ba352eecd359fc5a8831edacf36e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:18.136702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073294/publication.txt
observed 2bf87a6f14c16a2331877a08d58db19a...
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.