OpenTechnical

OT-2026-000027554

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, 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-2026-000027554) never changes.

Identity and time

Publication numberOT-2026-000027554 · never reused
Internal UUID01a0ae72-6999-7f26-b61e-977c2378e9de · 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-2026-000027554
StatusPUBLIC

Content hashes

Canonical text616ebc51160b2c53deb42b32a9cfbee275b8e0bf8c696eaf9b3e73bb127de66a
Markdown8566747017bafdc24c05a6135d266a597eb3e64b74e8d87f24377552dd7da361
PDF
Publication page0d646e93cf01641e7b2698d63d7498912bc74ca38b595f7e8a34fd31f7ef8d57
Manifest57b2e1f80b723a1df58e9ae775e4079011b52d8b674c3e98ad48cc6467e1263d

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
SignaturePYaAUk87kLbiOYvGuFLKrIH2wnFhr03Ii8Sc/mjqh0JrOQzHRGX72F7vPWNkz4+bI9l366oX1INGoPo9mfUbBw==
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

2026-09-17T11:43:02.594047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027554
observed 0d646e93cf01641e7b2698d63d749891...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.576036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027554/manifest.json
observed 57b2e1f80b723a1df58e9ae775e40790...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.559755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027554/publication.md
observed 8566747017bafdc24c05a6135d266a59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:02.543341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027554/publication.txt
observed 616ebc51160b2c53deb42b32a9cfbee2...
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.