OpenTechnical

OT-2026-000046031

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, pressure sensor per zone, 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-2026-000046031) never changes.

Identity and time

Publication numberOT-2026-000046031 · never reused
Internal UUID01a0ae7e-0329-7e01-a73f-f8624d09b1d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046031
StatusPUBLIC

Content hashes

Canonical textd1784c2367e2c33186bb9483d39660cc36ae3c0702d7ebb5c6fff758331cd040
Markdownb6b9b6420a5e38b62ab41cec60d43a45637a8607912d3b66a43bad4a5e75bc6e
PDF
Publication pageda583599bb7ef8f516628e7805d97bf81fb5a372ae217562face7de749b2642d
Manifest04118c7f4003456b69fb9c644c19b0d63f1883b8ec0197374c84b1a6580d957b

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
SignatureJ8NnJRTOFdnsC6a/iEBwYRYxdUbzTMouGxEKP18bvNRba2SGmrk7J4ABsMY5n1PxlWXpa51D9LC432l2PVkzBw==
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

2026-09-17T11:08:58.850107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046031
observed da583599bb7ef8f516628e7805d97bf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.830002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046031/manifest.json
observed 04118c7f4003456b69fb9c644c19b0d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.812194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046031/publication.md
observed b6b9b6420a5e38b62ab41cec60d43a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:58.791857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046031/publication.txt
observed d1784c2367e2c33186bb9483d39660cc...
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.