OpenTechnical

OT-2026-000041626

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, 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-2026-000041626) never changes.

Identity and time

Publication numberOT-2026-000041626 · never reused
Internal UUID01a0ae79-e8a0-77b9-8814-56bde47c75e0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041626
StatusPUBLIC

Content hashes

Canonical textb9e434d700f7fdd5d957b949f4942c5b877d06e22c31fd69ca5cfe80a3d51f8a
Markdownc0fa659f10a7a4b1aebf11f2b50ab11803ad7169f367b928ebfc724dba10baa5
PDF
Publication pagebd34be2c8b76a8db5e316105ff8f397dccb54045bacb79c8ce536d6ca3c15396
Manifestd1dec69e8356666fe8fd072e71e4466b5f24d2fe7431a62831e88e22fd3ab9d6

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
Signatureau+5hepGHSBCvG4vACTayS1LcSVZ7cXWxfv0XisgVWeKzS1HXWsaoEBpAwsok5w9SW7RCCERhxP8ihmOoShZCQ==
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

2026-09-17T11:16:25.430161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041626
observed bd34be2c8b76a8db5e316105ff8f397d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.413844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041626/manifest.json
observed d1dec69e8356666fe8fd072e71e4466b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.398450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041626/publication.md
observed c0fa659f10a7a4b1aebf11f2b50ab118...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:25.380687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041626/publication.txt
observed b9e434d700f7fdd5d957b949f4942c5b...
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.