OpenTechnical

OT-2026-000016725

Publication integrity record

Two cup vacuum gripper, two 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-2026-000016725) never changes.

Identity and time

Publication numberOT-2026-000016725 · never reused
Internal UUID01a0ae6e-5918-7300-aacd-cb1e647ebaf1 · 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-2026-000016725
StatusPUBLIC

Content hashes

Canonical textccb2e44832069a0e56d40b6d7e2db6f28e4f356c03e29491456acb089316bc4f
Markdown3c601326993466377e81b0fa1f3e2e0e158c49dbb908cb22813ecf8a625e9c61
PDF
Publication pagee6b775dfe0ffbb2d110a1f9f4b8a8e4f6b9a8060a0adb370cfb331c1dbceec60
Manifest377370ed71362161a234c17b0d433827217112d5debd3d4c08a5b346d705e691

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
SignatureQLWTKcOKQQG/pTnh4UEduAnuk0BFKlvZO7V8bG5txRKbWZ4Knl2XqCUhRaamszhDTQ9HmYeBiulysyMjtQG6AA==
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

2026-09-17T12:02:57.276667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016725
observed e6b775dfe0ffbb2d110a1f9f4b8a8e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.259679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016725/manifest.json
observed 377370ed71362161a234c17b0d433827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.241922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016725/publication.md
observed 3c601326993466377e81b0fa1f3e2e0e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:57.223640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016725/publication.txt
observed ccb2e44832069a0e56d40b6d7e2db6f2...
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.