OpenTechnical

OT-2026-000085628

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000085628) never changes.

Identity and time

Publication numberOT-2026-000085628 · never reused
Internal UUID01a0ae99-aaad-73f4-add3-88687ab40ece · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085628
StatusPUBLIC

Content hashes

Canonical texta2e333ae9db2e29da1162d41c0c0b4edf4367cf2e19dc6281aba9b4dd19b56b5
Markdown988d54fff05b38a119f43c514ff82898c7c9f1a69edafdc07655f4cf2b60b52b
PDF
Publication pageee094a530ac93c73ae752a6bdd721eb81ca04f6009d0739e7cc7f5ed1897546c
Manifest370bd89f3bf58955b4559eb668e23b2ce650790a734d9b3e6abad16a6efba856

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
SignatureHo25kIgVRvESm02BL1alfAKa22DTkVUw0Ldba5rpN8vsdRMiHSmQuZ5//GiJ3b4aDFwG/UnixlsmF1V3xpk6Bg==
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

2026-09-17T09:54:30.797846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085628
observed ee094a530ac93c73ae752a6bdd721eb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.778194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085628/manifest.json
observed 370bd89f3bf58955b4559eb668e23b2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.758228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085628/publication.md
observed 988d54fff05b38a119f43c514ff82898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:30.736362ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085628/publication.txt
observed a2e333ae9db2e29da1162d41c0c0b4ed...
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.