OpenTechnical

OT-2026-000006625

Publication integrity record

Vacuum cup gripper, ejector fed, pressure verified, vented before set down, polyurethane cups, flat form

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-2026-000006625) never changes.

Identity and time

Publication numberOT-2026-000006625 · never reused
Internal UUID01a0a961-c585-746f-bb0f-0a6f0c17f6a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:32.200948Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006625
StatusPUBLIC

Content hashes

Canonical text5d1b1878b8d497f8266fba15c93b210bb7e66f1bb16b775a5a42f08afc8ad010
Markdown22c61f183f259b40a18fadacc53754e46eb6cd6786de63e129dc272646f6a6ad
PDF
Publication page94cd81d47184b1d60c4907d142d6eab70ccb3fd4415212cf4e8e994a8e205301
Manifestfcf72dcbb1b938d2e18e980591e62988dc34f227e7c731c7aa66798e40801be0

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
SignatureeX+5uvZSmEgJV4eHXkNKVGtTEbDeESq3g1Z0T6JFhwVmkD9h3Ho1Ri8VwpzYS6wEBzpjbnydZ8cU2ZlAUXxZDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:23.927062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006625
observed 94cd81d47184b1d60c4907d142d6eab7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.914592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006625/manifest.json
observed fcf72dcbb1b938d2e18e980591e62988...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.901812ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006625/publication.md
observed 22c61f183f259b40a18fadacc53754e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:23.887066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006625/publication.txt
observed 5d1b1878b8d497f8266fba15c93b210b...
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.