OpenTechnical

OT-2026-000084589

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000084589) never changes.

Identity and time

Publication numberOT-2026-000084589 · never reused
Internal UUID01a0ae98-e25b-75df-bf89-c51fc6206a46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:50.163111Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084589
StatusPUBLIC

Content hashes

Canonical text6c32f6fff76c6a4709db0a385af1251a2ada0e42d6e4d2033d0c2e5b0425c299
Markdown3dc3b7d578596eb35757a98d5450351cc65d5172541a083b8d81538d244f991b
PDF
Publication page4b820cb8b92e334b2260e13304835e53d3face1fa0b94d92057894202431e476
Manifest6062272b82cc0b47fe182dde08934cf4d626d7da1d2190e4c45c1bbedab1ec7b

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
SignatureFdk7z/PStYinqaYK425qRbVjZCKSCwUee+uCs1+/npLZlzWSY2O1AxgW4G/SLyVpX3hqLXpNlwXHygJCJ8dyDw==
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

2026-09-17T09:55:29.542568ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084589
observed 4b820cb8b92e334b2260e13304835e53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.525013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084589/manifest.json
observed 6062272b82cc0b47fe182dde08934cf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.506604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084589/publication.md
observed 3dc3b7d578596eb35757a98d5450351c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:29.488818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084589/publication.txt
observed 6c32f6fff76c6a4709db0a385af1251a...
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.