OpenTechnical

OT-2026-000032423

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000032423) never changes.

Identity and time

Publication numberOT-2026-000032423 · never reused
Internal UUID01a0ae75-106e-734d-b718-c26b2a16e015 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032423
StatusPUBLIC

Content hashes

Canonical textf00d8a72af55043ab0a029ecffc491b177f71fbf6d15d0e68a61e4da98747b5c
Markdowna3ecf5446df03f930c878431db63a37c645f369bf6e5102722ce75e9c06fa737
PDF
Publication pagedfa36e67b7d06e507917c7386eb838d408abcb98b0487eeaa2e1935dd4b3a0a9
Manifest7116ccb099fa9b930918096bf88b94dd18ad912c59d61d5199fdbe6784f0d25c

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
SignaturemZtamzt5x0lxMZbFhLeCA9Wu14OnwYS1Q1Ft76RxKJUelEDcoAbyZ7WxQfkqQoMWT5+Keh6AInkA+AtIQ4FVBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:33:50.528751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032423
observed dfa36e67b7d06e507917c7386eb838d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.511335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032423/manifest.json
observed 7116ccb099fa9b930918096bf88b94dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.493961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032423/publication.md
observed a3ecf5446df03f930c878431db63a37c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:50.472359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032423/publication.txt
observed f00d8a72af55043ab0a029ecffc491b1...
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.