OpenTechnical

OT-2026-000075865

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, 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-2026-000075865) never changes.

Identity and time

Publication numberOT-2026-000075865 · never reused
Internal UUID01a0ae94-29ff-7712-b97b-319dff3b5fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075865
StatusPUBLIC

Content hashes

Canonical text095cfa7101d1792a4ad86ffd43eb3927d46ab0df10482b3b820b0d159cf2ed51
Markdown1fe2510a171b8364e7b21ace97b81009bf0229f37b020116efa9892d6f654184
PDF
Publication page3b0c5a3fca14fb96dcd768aaaa95a8dfce679b7bc1d3ee7e0aeac292e761a582
Manifest440f15d843ee67c8f8f0c47afc314184309a9e8a126cfef8b69fa2f2341721d5

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
SignatureR3dYqCUYnxBq3xAv2qR3FzVfTZt8OmXG/so0l0Ukvjs415bDbgra1cEumchyzzC64nyqjrad5HCNzfdCwIROBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:14:36.534658ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075865
observed 3b0c5a3fca14fb96dcd768aaaa95a8df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:36.517230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075865/manifest.json
observed 440f15d843ee67c8f8f0c47afc314184...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:36.499305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075865/publication.md
observed 1fe2510a171b8364e7b21ace97b81009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:14:36.481229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075865/publication.txt
observed 095cfa7101d1792a4ad86ffd43eb3927...
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.