OpenTechnical

OT-2026-000089543

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000089543) never changes.

Identity and time

Publication numberOT-2026-000089543 · never reused
Internal UUID01a0ae9c-1a21-7ac9-b7c8-bc6d1e000ae3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089543
StatusPUBLIC

Content hashes

Canonical text03c9b06b93bb4a8addaefa68f790c545540e2425ec0931c52805a83fa1cf7adc
Markdown484fa458045dccc10c66b1ca6db4d3180206543c44ae84a2f34d689bfe4be8b0
PDF
Publication page15ef5c8014959598912de1ed023101f536af3202e1d5aca3d4a8b461d8360619
Manifest278e4a23739140e1365442141a0a05d4b8aaf521145aa9f97889db2f9c984f3a

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
Signature+mueVvowScyxe9lvzj9VyO0V4BshR69CIy7VWL9GctbWMoCUp2gBDAWN0qjTZfzzhBfYY0odw7XwpIOIHhmaDw==
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

2026-09-17T09:46:30.643184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089543
observed 15ef5c8014959598912de1ed023101f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.625714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089543/manifest.json
observed 278e4a23739140e1365442141a0a05d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.606476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089543/publication.md
observed 484fa458045dccc10c66b1ca6db4d318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:30.588022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089543/publication.txt
observed 03c9b06b93bb4a8addaefa68f790c545...
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.