OpenTechnical

OT-2026-000013161

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000013161) never changes.

Identity and time

Publication numberOT-2026-000013161 · never reused
Internal UUID01a0ae6d-6fc8-7701-b464-0b3f17791290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013161
StatusPUBLIC

Content hashes

Canonical textd815d189a28202a2e85b4cd073d3b23bfebd419ba2d753dd70b5c8737d2ae1c3
Markdown708d97a92c72302b8692ea0f64b148b3e4642a4fb2b57b72e670767b03f7b8eb
PDF
Publication pageb6334d2aab3346a881507f86030e5d5d5a570fee72f2658397793cd62b235cae
Manifest9a16bc368ef9f6cb33b884ab0af3b610447f5ae9c4e92216d3cbb06aa6e533e2

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
Signature2K/cZScPQqdVAR07BrihK1bQKQnC1KbASBjuiEvdTf7kqTOjsjHITeevGJdGrd75zjrXup0x1DUAhujj31Z2Dw==
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

2026-09-17T12:09:31.919471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013161
observed b6334d2aab3346a881507f86030e5d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.901445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013161/manifest.json
observed 9a16bc368ef9f6cb33b884ab0af3b610...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.882173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013161/publication.md
observed 708d97a92c72302b8692ea0f64b148b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:31.862284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013161/publication.txt
observed d815d189a28202a2e85b4cd073d3b23b...
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.