OpenTechnical

OT-2026-000039216

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum 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-2026-000039216) never changes.

Identity and time

Publication numberOT-2026-000039216 · never reused
Internal UUID01a0ae78-9673-7748-b1be-eea5e864e711 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039216
StatusPUBLIC

Content hashes

Canonical textb87c8709b538a6769498bf1f956e8c65b25c68f66cc0d946da1bfa353d166d94
Markdown6fee6effa625a012b4d73869285f308459fb30755617c1fcdd9875e7f0dcbd4e
PDF
Publication pageba13fca1356d4cb71d0751f9b224385fc120e3a4327d87fd0ed67245dd31b03a
Manifest6e10ccf8b314f66c8782001c92550649b0c1d74c58d877f4a9a9bd53d70126c6

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
SignatureoNPXLMcssscDPdLPgr4d/Ufbjp95n/a7ZdvNF6gWywW/U3FYVNDI/2XWz8NJIGhPugsvnlJxswnBMBJ7YAO2Cg==
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

2026-09-17T11:20:46.100654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039216
observed ba13fca1356d4cb71d0751f9b224385f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.083461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039216/manifest.json
observed 6e10ccf8b314f66c8782001c92550649...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.065751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039216/publication.md
observed 6fee6effa625a012b4d73869285f3084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.047420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039216/publication.txt
observed b87c8709b538a6769498bf1f956e8c65...
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.