OpenTechnical

OT-2026-000099214

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump 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-2026-000099214) never changes.

Identity and time

Publication numberOT-2026-000099214 · never reused
Internal UUID01a0aea2-8288-7505-9af1-be69521c00f2 · 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-2026-000099214
StatusPUBLIC

Content hashes

Canonical text0529abebce4bcf96926f4f05c401ed8f94a5aa73d5875b62a4f597f13cd212cd
Markdown144d68b522ec2b20ad6d5abfc3acf4df1701177e0a16e0430de709fda21f7051
PDF
Publication page09b3457e68296aa06017aff9c806423f22758e47d51edc14560c1f47cc878ecd
Manifest6d41071b8b3b37686f9e360e747d28891340b910632ba53ad6a60f29fbe33ab5

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
SignatureAgRCKbqbl6rO0uyWZdXJRaSAOxkh1EzCb4GhTf3aaGO7QmheTP+x7sFNEUs6w80cYjWIkBFClabQRxJFrKZ9Dg==
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

2026-09-17T09:30:36.661255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099214
observed 09b3457e68296aa06017aff9c806423f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.641049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099214/manifest.json
observed 6d41071b8b3b37686f9e360e747d2889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.619770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099214/publication.md
observed 144d68b522ec2b20ad6d5abfc3acf4df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.597177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099214/publication.txt
observed 0529abebce4bcf96926f4f05c401ed8f...
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.