OpenTechnical

OT-2026-000034483

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, supply line pressure sensor, 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-2026-000034483) never changes.

Identity and time

Publication numberOT-2026-000034483 · never reused
Internal UUID01a0ae76-1ed0-703b-b19b-80adb06d6399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034483
StatusPUBLIC

Content hashes

Canonical textdf0d58fd322a4aac1562f3beddc0100588e3af22eab490c14e07799502c58916
Markdown666c20b7b5d9d2f61876f1f50c96b60abcbb67eea2f672c7814c4bd7af037755
PDF
Publication pagecd39f70eb34a886ee8c81f6fe7a97c2b776cbf345f40b7c381c2792eb2cef3eb
Manifestad66289b71e8c77fa3c81c45fdcd9c4b7ff3e37855cfdfff4ca477d0211a405c

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
SignatureMEJaHEPyi99kWQR9PiGKlzRJqhwcWcviN4emPg9t+dMa4AxwZBPZXm6PgjP8jyhfFETnPpSlVFFiska/BpajDw==
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

2026-09-17T11:28:48.882310ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034483
observed cd39f70eb34a886ee8c81f6fe7a97c2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.867303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034483/manifest.json
observed ad66289b71e8c77fa3c81c45fdcd9c4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.851880ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034483/publication.md
observed 666c20b7b5d9d2f61876f1f50c96b60a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:48.835163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034483/publication.txt
observed df0d58fd322a4aac1562f3beddc01005...
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.