OpenTechnical

OT-2026-000006441

Publication integrity record

Bellows cup vacuum gripper, six outlet manifold, pump fed, pressure verified, vented after 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-2026-000006441) never changes.

Identity and time

Publication numberOT-2026-000006441 · never reused
Internal UUID01a0a95b-58e4-7837-af31-9a082cdc95fe · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:35:31.175117Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006441
StatusPUBLIC

Content hashes

Canonical textd7dc3b988d88f43323ef2cde459520d2b1c767f6918dda2a52fbb1bdd3f24da2
Markdown40b4997746c10ec99e2d096ce9437a639e9197f67db8d40ad8ce842991d8c6a6
PDF
Publication page2f7e11b6cc87d5f1007ceebdeb60b256ce99f84bcfb3ed2de0bff86fd5b5144e
Manifesta359242c20921d998d8ab8393446228fa5f50cf67771b98a23c12b0758de7021

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
SignatureF8WH+uVb+aAO9TTumBZLS27NWfMme9n5AzxwxwVaZFkuVRXzP6uWzwEP0BKPMyRQHqfOhxCuCRn89DosgG/kAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:17.196223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006441
observed 2f7e11b6cc87d5f1007ceebdeb60b256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.180104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006441/manifest.json
observed a359242c20921d998d8ab8393446228f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.166003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006441/publication.md
observed 40b4997746c10ec99e2d096ce9437a63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:17.153123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006441/publication.txt
observed d7dc3b988d88f43323ef2cde459520d2...
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.