OpenTechnical

OT-2026-000016809

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000016809) never changes.

Identity and time

Publication numberOT-2026-000016809 · never reused
Internal UUID01a0ae6e-5919-7d89-add5-f28c0003c81c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016809
StatusPUBLIC

Content hashes

Canonical text28f22ecb8582fe5e80ea29b136600d30898727e6a8eb9cdcd786a35dbdd2c4a1
Markdownf4a84d26454ce42cb269b7c6ee6816833b83a9ec34a9caeaf00193ecb4fc2165
PDF
Publication page93a680132f62779ff3271ed342660ec00117d1ff03956a96e8b39284d680af76
Manifest6d538cc6bd884e11ca68ae10b7f996b91240ecbb264fced80c89b0361237eed0

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
Signaturel3cvFD6UY+15a5eaCxMWV81kLs33RznYp6YHSjGpOXshUsQ13CNRoWYqO4rWHqqZGegV5YXnJp8v4aQU2/MLDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:03:03.784832ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016809
observed 93a680132f62779ff3271ed342660ec0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.767904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016809/manifest.json
observed 6d538cc6bd884e11ca68ae10b7f996b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.749744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016809/publication.md
observed f4a84d26454ce42cb269b7c6ee681683...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:03.732384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016809/publication.txt
observed 28f22ecb8582fe5e80ea29b136600d30...
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.