OpenTechnical

OT-2026-000029857

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000029857) never changes.

Identity and time

Publication numberOT-2026-000029857 · never reused
Internal UUID01a0ae73-ac47-75c0-9c6d-ef61f26cf633 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029857
StatusPUBLIC

Content hashes

Canonical texta9a1b19a9e2731570b2f2561eeb612547a67dad4746a981033fc379f09f5645d
Markdown08f53121aa549a0cafe738d13a4517d11ac84b44289f1859347d5999bec98b87
PDF
Publication pagef73b1f78c478b344f31f51917626e35bb54904f58af1d9f61d9e68c2e2629eee
Manifest05d874a5b2b5e8a30a13266f3c7386a5184d55aa2158c97b622cfdd0cff3b04e

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
Signaturei2E0bOt4lxt8iS9vs3IMsp0O6vayeb+4tjjBmK9eRV0R7W4z9VA1YXSH3OuDNJbp7liXb6lMeiW3K+SoMxAdAA==
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

2026-09-17T11:38:33.124571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029857
observed f73b1f78c478b344f31f51917626e35b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.107323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029857/manifest.json
observed 05d874a5b2b5e8a30a13266f3c7386a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.088944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029857/publication.md
observed 08f53121aa549a0cafe738d13a4517d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:33.069473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029857/publication.txt
observed a9a1b19a9e2731570b2f2561eeb61254...
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.