OpenTechnical

OT-2026-000016517

Publication integrity record

Four cup vacuum gripper, four outlet manifold, two 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-2026-000016517) never changes.

Identity and time

Publication numberOT-2026-000016517 · never reused
Internal UUID01a0ae6e-2d13-7d4d-814b-27ceb4f22b63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016517
StatusPUBLIC

Content hashes

Canonical text81344c478d4503e8c4b55c419908d5382f986ec39e2b1f856223ae100b814054
Markdownd1e967c7df91ebf230700b208bc05f444d846747cb66ed9596e539bb5aaa4c63
PDF
Publication pagece9b8ff26009ddf8ae2246d8204c43a203d4d289ce70b69107f29fa1cc7cb73d
Manifest982ab13951bc30703fa466c1174ee7e75dc326505ce0648d64a9f1c4e2f1fff9

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
SignatureVxv7NdvkqKGYAyYjYw//Wgb9gOXMsXZRbQM5fE/aq5F96dwAwI4UWfRyuYzEKVN6XqanNcxv5u6VE9EwTdpvCw==
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

2026-09-17T12:04:43.915284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016517
observed ce9b8ff26009ddf8ae2246d8204c43a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.897958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016517/manifest.json
observed 982ab13951bc30703fa466c1174ee7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.880617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016517/publication.md
observed d1e967c7df91ebf230700b208bc05f44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:43.864137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016517/publication.txt
observed 81344c478d4503e8c4b55c419908d538...
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.