OpenTechnical

OT-2026-000079328

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, 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-2026-000079328) never changes.

Identity and time

Publication numberOT-2026-000079328 · never reused
Internal UUID01a0ae96-0b90-7270-8775-e0de20e9986e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079328
StatusPUBLIC

Content hashes

Canonical texta3caf9f796b89f3b8eaa7be64bc35e6c823e6b38abefba529c6c2cb456ae866b
Markdown855cbbc80e7c907f9b6bcc0b0884f35a6d52560ef232fb882c94d679ef4f96b3
PDF
Publication page88775052c2c20b130a615b81d514354aff86e398dced558dc369f4a3901552f9
Manifestdd4715e5ad2819d30923798c46ffd3a6f3c50fa5a827fdd56f3ccae3d807477a

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
SignatureYYNTG+UgIbIiDG51L/HwH88i9MGnXDNhthtdPGrH5FR2zmldIWvQFDSM7nk/nJ6MjKEMjBCU3MwJdLe4HUZ/BA==
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

2026-09-17T10:04:07.878192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079328
observed 88775052c2c20b130a615b81d514354a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.860483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079328/manifest.json
observed dd4715e5ad2819d30923798c46ffd3a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.843780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079328/publication.md
observed 855cbbc80e7c907f9b6bcc0b0884f35a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:07.825021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079328/publication.txt
observed a3caf9f796b89f3b8eaa7be64bc35e6c...
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.