OpenTechnical

OT-2026-000007562

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, 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-2026-000007562) never changes.

Identity and time

Publication numberOT-2026-000007562 · never reused
Internal UUID01a0ae62-4df7-7159-83a3-1aafbabdf8d8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007562
StatusPUBLIC

Content hashes

Canonical text51136e91d5aa1fa101755bd2576ce1f1a3af3713b11c1becaa67a7513d734e1d
Markdown486d957d5ebcef040522a2163915a2844f6ec2ed3fd37aefe8b09ef85cd81fc3
PDF
Publication pagea1de3414f2390510658effd1bcce7e5f4c9a47864871956468f3a96a586a86fb
Manifestbb22eec7ea4ac24b5259be8445ac833f120246c2f33b117aa0d5d76c4eb9fd28

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
SignatureiUA3GNVpD3kFwthTJ8KDjRe5dqfAbuk3YdVG/N03VymL945k+1FLNIBMpD6wML1FcEiDo2MaT+BGkwOez8/XCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:24.508169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007562
observed a1de3414f2390510658effd1bcce7e5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.491445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007562/manifest.json
observed bb22eec7ea4ac24b5259be8445ac833f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.472544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007562/publication.md
observed 486d957d5ebcef040522a2163915a284...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.455034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007562/publication.txt
observed 51136e91d5aa1fa101755bd2576ce1f1...
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.