OpenTechnical

OT-2026-000080991

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, pump fed, 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-2026-000080991) never changes.

Identity and time

Publication numberOT-2026-000080991 · never reused
Internal UUID01a0ae96-b975-797b-ac93-a4bedf912586 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080991
StatusPUBLIC

Content hashes

Canonical text5c5a4384ad835dd2e5a1ee0cff7a9ace0022b3cf1987d8e5e2dc65cc4d6ad769
Markdown13a0d879a5ff4953a923a6f78b803d816076f25a894b9cf99f4798b1590ded0c
PDF
Publication pageedf6d7629ac8964917b0e5395f2102cdc7fc45ed787e3c55aaa1715c6384aee7
Manifest8b5f3cb8c48de288e5b10562b7ea628ab8d94b0e0c22a5d2cdfdb8299efadcac

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
SignatureC0fHtbZAiuXLwP+yRolNKgxIiHQx0l5xeu7GqkdYnL4W6wAShoc3C0vYAxbL408YixKhHg3bU7zFvi7WnJ+FCg==
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

2026-09-17T10:02:16.546619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080991
observed edf6d7629ac8964917b0e5395f2102cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.529547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080991/manifest.json
observed 8b5f3cb8c48de288e5b10562b7ea628a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.511936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080991/publication.md
observed 13a0d879a5ff4953a923a6f78b803d81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:16.494343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080991/publication.txt
observed 5c5a4384ad835dd2e5a1ee0cff7a9ace...
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.