OpenTechnical

OT-2026-000066536

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000066536) never changes.

Identity and time

Publication numberOT-2026-000066536 · never reused
Internal UUID01a0ae8e-ce41-7ab9-b76d-f9e36459c282 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066536
StatusPUBLIC

Content hashes

Canonical text90414cd338575fc391ae30d3effa54bfbf72938dbe775adfd8779a04cd68f541
Markdown4a9e75f42615e1cda7af6b00ff96ca83ca86f64aa7fb80f429c503f66c2510af
PDF
Publication page5343946d4395c7c7c28f5130b2f9644a31a2207377bca133ffc8bb4163951b51
Manifest83488f12f7a0fbcb4c8d72b0167f459dd74b092420dbd095a75c3290fa18142c

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
Signaturekw+CWH0WQ2zPO0XyMXvaXtzCVjFxqJAr/tryWDSnIUAJ8XwB8tUngdie3mc5ZU37D8tA7EeN8QEjKiOg0+V/DQ==
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

2026-09-17T10:32:48.063386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066536
observed 5343946d4395c7c7c28f5130b2f9644a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.047902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066536/manifest.json
observed 83488f12f7a0fbcb4c8d72b0167f459d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.029469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066536/publication.md
observed 4a9e75f42615e1cda7af6b00ff96ca83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:48.012086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066536/publication.txt
observed 90414cd338575fc391ae30d3effa54bf...
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.