OpenTechnical

OT-2026-000034140

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000034140) never changes.

Identity and time

Publication numberOT-2026-000034140 · never reused
Internal UUID01a0ae75-df0c-71d3-adc7-cb96be4c132f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034140
StatusPUBLIC

Content hashes

Canonical texta976386c0937639518a01b49391b45a3194ec6c95ed7bfa6ba6d9516ecd5c0c6
Markdownc480d3e301e3db6f25530235681ac8bc00e4ed805c6ea1b5716d05ec85b5dab2
PDF
Publication page61c09b14b02689842c016bc8c5510fbe385f366dc190c7002dbab6c0d3fcf1a4
Manifest537b325b0b523fc1bf98ec0c163ea516d0ec7af760bbb705d10aa2f9ac7f4db4

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
SignatureIcjn8BKQcY2lAj5Wo6PArTAF4wH89S2VWtQHilEQg6e+ad6SKTNTVIMWz2afyjlEKSnuhuEIxwi/Q7wg678LCg==
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

2026-09-17T11:30:32.173887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034140
observed 61c09b14b02689842c016bc8c5510fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.156157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034140/manifest.json
observed 537b325b0b523fc1bf98ec0c163ea516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.137454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034140/publication.md
observed c480d3e301e3db6f25530235681ac8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:32.119477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034140/publication.txt
observed a976386c0937639518a01b49391b45a3...
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.