OpenTechnical

OT-2026-000039767

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed 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-2026-000039767) never changes.

Identity and time

Publication numberOT-2026-000039767 · never reused
Internal UUID01a0ae78-d8d5-7863-9346-fbfb6e1f6318 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039767
StatusPUBLIC

Content hashes

Canonical textcbbf4ef2d8f23ff7e28beb34a08277af4c6b977894d0417c77d4d1584da95dc2
Markdown023c10d258734f26c6ec1a24b07527011f9ea903238561fc3595e92f50ff1a5a
PDF
Publication page5cca477b8c109f7561b278d0acaeca5947a9f48129e61878f0081242ebc5149c
Manifest2d9a562e57889edd87ea85d5bb344cf4721f588c3ac31d185ed490a836c80222

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
SignatureJbzSVcxqJhw1bIKzIGL6lF6cgi7x0m6+B7yCp3jNhYYL+a26bZZ61X9SZq2wvTkcaQCrVflCBxiS2Q7oa7+ZBg==
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

2026-09-17T11:19:59.299220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039767
observed 5cca477b8c109f7561b278d0acaeca59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.282469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039767/manifest.json
observed 2d9a562e57889edd87ea85d5bb344cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.264652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039767/publication.md
observed 023c10d258734f26c6ec1a24b0752701...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:59.247770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039767/publication.txt
observed cbbf4ef2d8f23ff7e28beb34a08277af...
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.