OpenTechnical

OT-2026-000031260

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000031260) never changes.

Identity and time

Publication numberOT-2026-000031260 · never reused
Internal UUID01a0ae74-87ac-7bab-94de-d3e49fb40d2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031260
StatusPUBLIC

Content hashes

Canonical text076178bf77e68d45ca9053924e5a9c37ea8e4a04b13bef2b20e3ad557a386275
Markdown14a2072879d40f5ca90043a37bc2e12396780db0dafaf7abcd22d62b80b49827
PDF
Publication page7bcfc6749a0b43526d588fd632f8ae3eadaea8f7d2a3dfd71967b8793983a7af
Manifest59f7449d4018f032518312f52ec7e2bcd332fe440092bd34c8cb5e5ce226b2be

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
SignatureCq7/4bmLB9u8Gj4+DBV1CwnM3Eypwzm1e8QON6E5hrFHZIHgpWmIiKiCjBsjCYJsKl2wj+4R2qdvqgLz3qvnDA==
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

2026-09-17T11:35:50.271879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031260
observed 7bcfc6749a0b43526d588fd632f8ae3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.254823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031260/manifest.json
observed 59f7449d4018f032518312f52ec7e2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.237349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031260/publication.md
observed 14a2072879d40f5ca90043a37bc2e123...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:50.220308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031260/publication.txt
observed 076178bf77e68d45ca9053924e5a9c37...
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.