OpenTechnical

OT-2026-000092247

Publication integrity record

Three bellows cup vacuum gripper, three zone face, 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-2026-000092247) never changes.

Identity and time

Publication numberOT-2026-000092247 · never reused
Internal UUID01a0ae9d-875a-7e65-8fbd-585dc56817d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092247
StatusPUBLIC

Content hashes

Canonical text4372d3b7a16cb6d1d265a1e21970e145cc2e0cdbbd3b5096b0a3e623a3127527
Markdown8d1733dd756e2ff05c7ceb1ec60689497e81414e80d17373159ce211588acb1e
PDF
Publication pagebc5b56d129f0042d6a7fb251b35e45c17fc0dd87057c4ab1d7656e36a9bbf977
Manifest4bd0301b115c8c853c4e3e3271038dc23c1cdc61cd627c8b7190bf7e3ef02e43

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
SignatureioRI5kNwcNJiDdAp+Nx7OpQfhn8z5GZcA2qQh16Lt7e7VaaYD8AHJCMJmiB7WueusMV7w49KXr+tNk3cUNqkDw==
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

2026-09-17T09:41:46.273143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092247
observed bc5b56d129f0042d6a7fb251b35e45c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.254721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092247/manifest.json
observed 4bd0301b115c8c853c4e3e3271038dc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.236808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092247/publication.md
observed 8d1733dd756e2ff05c7ceb1ec6068949...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:46.219200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092247/publication.txt
observed 4372d3b7a16cb6d1d265a1e21970e145...
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.