OpenTechnical

OT-2026-000007754

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000007754) never changes.

Identity and time

Publication numberOT-2026-000007754 · never reused
Internal UUID01a0ae62-843f-7766-bc18-54672000899d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007754
StatusPUBLIC

Content hashes

Canonical textfb880b46c9d6c795d5ad4c25389a38d914c44d581584eff86eab1c8b85303373
Markdown02423cb994e0df499e336aeba9f63a1f1dea22759b5e0f0952a1886724745b16
PDF
Publication page8f1fb0ab81061484122531f3339da59bf320f39b25470948aab9df2014a20ad0
Manifest5c9f45e8b496af67179e7586f7871e6946c0f64a25425b7d739f4b82f7bd1f15

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
Signature85Em5/tZXJDIgpY722m+VnioODJvNwmUrR3id2U+J19tfO4PZQrvEdm/Gwm6mW7JPllg4UWQzTzldkbzTR3bAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:09.105618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007754
observed 8f1fb0ab81061484122531f3339da59b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.088363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007754/manifest.json
observed 5c9f45e8b496af67179e7586f7871e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.071454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007754/publication.md
observed 02423cb994e0df499e336aeba9f63a1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:09.055327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007754/publication.txt
observed fb880b46c9d6c795d5ad4c25389a38d9...
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.