OpenTechnical

OT-2026-000016993

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000016993) never changes.

Identity and time

Publication numberOT-2026-000016993 · never reused
Internal UUID01a0ae6e-591a-74a9-a3f3-151415d25a07 · 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-2026-000016993
StatusPUBLIC

Content hashes

Canonical text99cc00b280ff148de6a5e1b109748cd551359533012bc25b8840b04c16be45a1
Markdown55105ff737e32836ce9198b6fb93b0d4b9811c6327487f59649dcd2e315ba839
PDF
Publication pagea5c263685d1a5a4c954385642b32c08e8696a8f01aa65b9b2e231a0d8b055185
Manifest0107008a9b772bd7834ce49d3e78af0c353415e1c4425ddd94399bae3e47b238

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
SignatureIdTeirkMf2RkoRwgBBlGuVRPvZOor1Vcy/4KSHYWQ0qBvCVWflyO4pImhjDYLYufXnVD9zSV14ZPSQDlEpetBw==
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

2026-09-17T12:03:23.868886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016993
observed a5c263685d1a5a4c954385642b32c08e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.852839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016993/manifest.json
observed 0107008a9b772bd7834ce49d3e78af0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.835711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016993/publication.md
observed 55105ff737e32836ce9198b6fb93b0d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:23.819877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016993/publication.txt
observed 99cc00b280ff148de6a5e1b109748cd5...
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.