OpenTechnical

OT-2026-000099087

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000099087) never changes.

Identity and time

Publication numberOT-2026-000099087 · never reused
Internal UUID01a0aea2-8287-7bae-b540-e3636c74e18e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099087
StatusPUBLIC

Content hashes

Canonical textb6dc6b0c88edbe82cab921fdf423db6c978846d7c06c588687448583296d39c8
Markdownc960a892433a4bae8571e720000f4317b13277781d6f3291b5ae0d95daf51851
PDF
Publication page63f06d466f9024a15be9cd2e07b79d149b9587a67cc17d3a5a9fbf9e667b4214
Manifestcd3c28e6b2e92143dc2027706d15318273c9b850c0f5d3c398e961eaec1f0feb

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
SignatureeurRGjpJ/hOnl0ylMJ0jv4VVqk4lmMbkyFsa+AK7gJwvwjVC4U8zxm8nbPU1xgvr/MzlhtJqDwVaKnezf6gCDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:19.349379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099087
observed 63f06d466f9024a15be9cd2e07b79d14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.328132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099087/manifest.json
observed cd3c28e6b2e92143dc2027706d153182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.305266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099087/publication.md
observed c960a892433a4bae8571e720000f4317...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:19.283496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099087/publication.txt
observed b6dc6b0c88edbe82cab921fdf423db6c...
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.