OpenTechnical

OT-2026-000089219

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000089219) never changes.

Identity and time

Publication numberOT-2026-000089219 · never reused
Internal UUID01a0ae9b-db00-7cf2-ac43-5750c405c235 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089219
StatusPUBLIC

Content hashes

Canonical text6d44161149773585d749fc7adee9afaa9ccdd60b2f048cb038b087d494618285
Markdownc1a28e42cd0034c3230d7ad1f99685f98172c457169dab1039b7847078103d72
PDF
Publication page5480291a0bde3394a2116f3c4a2e606fd8f06cda0301a964ab34d01e97d9b0b9
Manifest279d477139289b8a51c73f2f302b6edb5112881f745d6f31af0332424bc81465

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
Signaturei8yvGtzJCWGN8vtMxk7l3qitQatxHzINy9FqzhUrjTPLy3xadVsP5IlCbWrnbBp9kMCwGn6okpUyz8utuQToBw==
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

2026-09-17T09:47:11.154675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089219
observed 5480291a0bde3394a2116f3c4a2e606f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.138198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089219/manifest.json
observed 279d477139289b8a51c73f2f302b6edb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.119322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089219/publication.md
observed c1a28e42cd0034c3230d7ad1f99685f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:11.077838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089219/publication.txt
observed 6d44161149773585d749fc7adee9afaa...
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.