OpenTechnical

OT-2026-000020700

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000020700) never changes.

Identity and time

Publication numberOT-2026-000020700 · never reused
Internal UUID01a0ae6f-65e2-72a1-a4b5-fc57335d74b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020700
StatusPUBLIC

Content hashes

Canonical text7c5252d1909c15b7e03c2cfd65c13aa79ad71354a886f998c0fc5da4aa1e03d2
Markdown39dcaab2ddb149b53e0d7fb96e516eced19183fe7a0a64155f2867ec42d244ed
PDF
Publication page2b368df5397566f4e9ecfa1a4beb69d6c6a30dd85ecdfb69fe090a7ddef66949
Manifest6a1a4981677dd8db1c11f97f60f5274d38609cbb5566df2ca061e452c22e7acd

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
SignatureA41ehsJ5gPxOVzVywbuZ3w+if2fsfng9YHAxsYf9iV0oqnQJ5kMaQn+0ME5gJ54OfYEvRTJPGFQvVvgJKjFOCw==
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

2026-09-17T11:55:44.912184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020700
observed 2b368df5397566f4e9ecfa1a4beb69d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.893600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020700/manifest.json
observed 6a1a4981677dd8db1c11f97f60f5274d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.873876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020700/publication.md
observed 39dcaab2ddb149b53e0d7fb96e516ece...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:44.854940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020700/publication.txt
observed 7c5252d1909c15b7e03c2cfd65c13aa7...
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.