OpenTechnical

OT-2026-000072565

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000072565) never changes.

Identity and time

Publication numberOT-2026-000072565 · never reused
Internal UUID01a0ae92-89d8-7a14-9a20-0abd9bca7479 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072565
StatusPUBLIC

Content hashes

Canonical text1435c89dae6adfa0c653a1cf92d9ca2b53b518a83ad23c7c7f3cc8265e72df01
Markdown2066e5e46f7b4b11ab011dc5dddddd3e1fde038689da5166db961bdba7b7c1db
PDF
Publication page9d84399ca51f70615aa9cdc84dd74baeee49ce3893d59da730ea278a0963ea19
Manifestd03d256b7bab107574dab6c74b736484f3349946a92bfc7b068a2a85ce444712

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
SignatureXcpp+6hEld9IlgILEAUYK8C7acRieRU+VwQP4wGyLN4PlzF4wUfBDKfFaFSKq7x/3dEmNS0n2Tbg6xrEmwK8CA==
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

2026-09-17T10:22:24.173633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072565
observed 9d84399ca51f70615aa9cdc84dd74bae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.155685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072565/manifest.json
observed d03d256b7bab107574dab6c74b736484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.136762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072565/publication.md
observed 2066e5e46f7b4b11ab011dc5dddddd3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:24.118904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072565/publication.txt
observed 1435c89dae6adfa0c653a1cf92d9ca2b...
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.