OpenTechnical

OT-2026-000015737

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000015737) never changes.

Identity and time

Publication numberOT-2026-000015737 · never reused
Internal UUID01a0ae6e-0c4b-79ad-b32c-23d09434d19d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015737
StatusPUBLIC

Content hashes

Canonical text20e9c7659cbfbe6076b48d157ddeb2d38ddc5d6841f3899cafe34262e4dec578
Markdown419672a185e296645d0b17001ea859252b795cb66aad59c1dfd9326b5055e3b1
PDF
Publication page0b5979bedb53282b3e4d3b71a92aa0bb02f860ab9d081ec9fdfbf9ca41008d33
Manifest80ab2b6af774265b9ee0283ace099871d56a0e2d4410aba5169c8bd3c552308d

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
SignatureReRbEmfIP6+t/uQzgytIQeBTOW9LcK2e9XlvsPW86xF7twDhcesn19GhQuFdk+YUdo6l+/2Ib+nXMqZJmtJLBw==
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

2026-09-17T12:05:01.525558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015737
observed 0b5979bedb53282b3e4d3b71a92aa0bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.507903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015737/manifest.json
observed 80ab2b6af774265b9ee0283ace099871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.492705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015737/publication.md
observed 419672a185e296645d0b17001ea85925...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:01.476098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015737/publication.txt
observed 20e9c7659cbfbe6076b48d157ddeb2d3...
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.