OpenTechnical

OT-2026-000027580

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two 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-2026-000027580) never changes.

Identity and time

Publication numberOT-2026-000027580 · never reused
Internal UUID01a0ae72-6999-7885-893e-13c9fdc8dc59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027580
StatusPUBLIC

Content hashes

Canonical textbfa3f8fb8149e606ef9d2a6dd90e58c7172c552f433c7ae4a479f63071fa6cdc
Markdown2e4304bfb73d25ec3700c527370fed825cd22e8a9ee877db43d815dc541fbc26
PDF
Publication page863210b266a4527a28baa41f52a29d33b30966ccb26c01e4bf85e30c9b2ba338
Manifest304af33d58a8eef95c9f513ca1a4904a732eabc98887bb4039195d27e5bf6725

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
SignatureK/6T0K/+m2X7nntV9wtm4z+rN+3KbShb7SeK0zENxyw0YPnmz22SqVivxwxkHAzdHmApVd75HKw43mfmXBzXDA==
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

2026-09-17T11:43:04.468585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027580
observed 863210b266a4527a28baa41f52a29d33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.450984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027580/manifest.json
observed 304af33d58a8eef95c9f513ca1a4904a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.432701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027580/publication.md
observed 2e4304bfb73d25ec3700c527370fed82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:04.414524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027580/publication.txt
observed bfa3f8fb8149e606ef9d2a6dd90e58c7...
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.