OpenTechnical

OT-2026-000006924

Publication integrity record

Vacuum cup gripper, two zone face, six outlet manifold, pump fed, contact triggered, polyurethane cups

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-2026-000006924) never changes.

Identity and time

Publication numberOT-2026-000006924 · never reused
Internal UUID01a0a96c-7e98-7603-9b92-4ef3d2541c7c · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:54:14.939483Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006924
StatusPUBLIC

Content hashes

Canonical text229173ba3028d46aa360292eae5c81b3c8520c91949efc76f3d9ec1bb05c2ab9
Markdown2dd13d211c0ad0babdda8902c86c3eda985753c5788b5333a829577a0b7a563e
PDF
Publication page83f316f5015ee2ca489d6970aeb95359ec847cf8c0d394c0d4f43b8295f7b51f
Manifest17737cb4727d2ec3e8672923a81403edab6ed028a7bef15271b2e2323e219511

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
SignatureGtEa+MDhPwTi1PG0f7DuOSQLT1jwa/zF7NDaIpxNp++hNA+zuPJ9lC9aQpr7byPBkIXYVtUQu/cUkd8JTAlCBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:21.472020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006924
observed 83f316f5015ee2ca489d6970aeb95359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.458217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006924/manifest.json
observed 17737cb4727d2ec3e8672923a81403ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.443866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006924/publication.md
observed 2dd13d211c0ad0babdda8902c86c3eda...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:21.429553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006924/publication.txt
observed 229173ba3028d46aa360292eae5c81b3...
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.