OpenTechnical

OT-2026-000084038

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000084038) never changes.

Identity and time

Publication numberOT-2026-000084038 · never reused
Internal UUID01a0ae98-5b5e-7ba2-bc15-cdd1e26d8153 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084038
StatusPUBLIC

Content hashes

Canonical text30f6b8e39fee837d0c7b9694db20784fcf22684fdb3af903ffd090a1eba1835e
Markdown991b7ac3f54f1bab31264a40c0d172f388fc3562ac6512d5a56f26e346d86f39
PDF
Publication page5a08a939dc80208c29a569ce5ff36a5d716e56123e46ca9463485efdb86d7083
Manifest2d813fd1a8612ca9f9ac7b0fcd9d26f7c4054d082d1c1cd8e7ddcb5fee4a12a9

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
SignaturelSQ9uECExRNIQT0JKen/dBXdSDmF7tBEp+S51YF1qmyHuiq4hMYs7TLU05Fj394RrUfFINSuYp5zBaDzh6F3AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:46.044594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084038
observed 5a08a939dc80208c29a569ce5ff36a5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.026363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084038/manifest.json
observed 2d813fd1a8612ca9f9ac7b0fcd9d26f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:46.008419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084038/publication.md
observed 991b7ac3f54f1bab31264a40c0d172f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:45.990663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084038/publication.txt
observed 30f6b8e39fee837d0c7b9694db20784f...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent