OpenTechnical

OT-2026-000014295

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off before set-down, on a tool changer

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-2026-000014295) never changes.

Identity and time

Publication numberOT-2026-000014295 · never reused
Internal UUID01a0ae6d-b279-7236-8569-31c145ee667f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014295
StatusPUBLIC

Content hashes

Canonical text1c4b81ccfca5e2de701f29b605bee55a3e187f3e86e33431b9bff6ab4da6a579
Markdownb8a941d29aa5f2361cdda994164ce0be77347e81865fd1f4478431e00deb7e34
PDF
Publication pageb4ab003fb8837fc08c69cbaa9a952c327690e78379875fddc337d9b524c4c27d
Manifestdc3b08dbe5c196eb6c89f670fe46542281f1040b835a254229663991719f64e7

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
SignatureukVkJfGoEuQEBuxP9TAp+SIWsmi2YgS8dMEpgqwmvdsB/ydgXVMGiiuLWqW+WWlLo8RX8hNwRCUzFFgHV/izBw==
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

2026-09-17T12:07:30.926617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014295
observed b4ab003fb8837fc08c69cbaa9a952c32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.908354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014295/manifest.json
observed dc3b08dbe5c196eb6c89f670fe465422...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.887731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014295/publication.md
observed b8a941d29aa5f2361cdda994164ce0be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.869375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014295/publication.txt
observed 1c4b81ccfca5e2de701f29b605bee55a...
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.