OpenTechnical

OT-2026-000025302

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000025302) never changes.

Identity and time

Publication numberOT-2026-000025302 · never reused
Internal UUID01a0ae71-5fa6-7618-90aa-a7e0b83c0f84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025302
StatusPUBLIC

Content hashes

Canonical text400ab3530f25d432d7a0c1a867f5b7c0a4f95b870146f1f4c463f9f817f1b6d4
Markdownd472da144fe3305eb3f1c1bf18429e1eb2a8a388002b86d661d4c5d71593e775
PDF
Publication page063a7decc510d398f74bd545e8957719c6ad81ca71f95352e711c2384ca7b04e
Manifest67cae6ac3b1e17f261e3753e4b846a8badd32c96181141f26d065342c86fed0c

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
SignaturepptP1H4ROFBNEVlEv4dr/XZS3/Ta8IgowuQgic6yLelYEv7oMwdHoxBbRQg4AsrejIFQB754A/MSrzcYLLv5Cg==
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

2026-09-17T11:47:19.260304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025302
observed 063a7decc510d398f74bd545e8957719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.243596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025302/manifest.json
observed 67cae6ac3b1e17f261e3753e4b846a8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.225695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025302/publication.md
observed d472da144fe3305eb3f1c1bf18429e1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.204811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025302/publication.txt
observed 400ab3530f25d432d7a0c1a867f5b7c0...
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.