OpenTechnical

OT-2026-000015663

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000015663) never changes.

Identity and time

Publication numberOT-2026-000015663 · never reused
Internal UUID01a0ae6e-0c4b-7608-b563-5ecef8597192 · 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-2026-000015663
StatusPUBLIC

Content hashes

Canonical text6cefc5216d962fbaa7126ffc77f902b6655cecf9956039a78fcfe37c01cbf179
Markdown36101f9dcfdd7b9db175d07edbaf88832d9355bfbd67ab2c9aebd83f442fcc3a
PDF
Publication pagefeec38d157bedf28d430d8eac24270a0c0767d32e50c12b5e1e93c88f4b1e77a
Manifestbb867e5cd34ec1f4fc0096d4cb0878b538684a4e9eb15779c70dd944a09f1ae5

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
SignaturelGsSHyxoHc6KANJ0mM8RxoXq7Kbz/TwlOFYNI/ZWmNdkOEvjLgqf+GJfcpWtIFwcknZ/7u1bqPL34vEaCNd2Bw==
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

2026-09-17T12:04:55.625012ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015663
observed feec38d157bedf28d430d8eac24270a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.606563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015663/manifest.json
observed bb867e5cd34ec1f4fc0096d4cb0878b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.590159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015663/publication.md
observed 36101f9dcfdd7b9db175d07edbaf8883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:55.571354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015663/publication.txt
observed 6cefc5216d962fbaa7126ffc77f902b6...
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.