OpenTechnical

OT-2026-000023385

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000023385) never changes.

Identity and time

Publication numberOT-2026-000023385 · never reused
Internal UUID01a0ae70-7268-7a41-bd38-72b07532379e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023385
StatusPUBLIC

Content hashes

Canonical textbf6a40ca881ab9da5e48efc049ea3035c52d2e5f31966084a1789ea0e2875d80
Markdownd28afa2e3a1b45d591a8640c120bcd61619eccae93b25557269cfd12a8466b9c
PDF
Publication page9cc37db2cc3585bb4781bd4c866cfa0afc1d219ea161ed0a76a3dfdee2c6b91a
Manifesta95c77782666eef231a5cfab94a594df548935fd972b284c94026d9cb4554f15

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
Signatureut/AdhMEOyyXwW27Y4WGOvXL8lKrZ0TSkrZt9QnW9QxDIM7QGacohqGkoQbwrnfKg0xzC5V3C4WquwKj8DpsDA==
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

2026-09-17T11:51:35.105395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023385
observed 9cc37db2cc3585bb4781bd4c866cfa0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.087968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023385/manifest.json
observed a95c77782666eef231a5cfab94a594df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.071600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023385/publication.md
observed d28afa2e3a1b45d591a8640c120bcd61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:35.051038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023385/publication.txt
observed bf6a40ca881ab9da5e48efc049ea3035...
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.