OpenTechnical

OT-2026-000025502

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000025502) never changes.

Identity and time

Publication numberOT-2026-000025502 · never reused
Internal UUID01a0ae71-5fa8-7d33-bcab-966585bba067 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025502
StatusPUBLIC

Content hashes

Canonical textdf8c9c7f0798d819fb9477c33e6ec2a51581b5961dc44c7f9bf9a5ece2f695bc
Markdowna753786f55856a924fb79dd81e31bbfb0d0b98eea8a494af104bb0c9efdb7396
PDF
Publication page26dfe8bd792afeb5c67cf66aa35820381aaa13f82370b2c6bc56c40b283b391a
Manifest76ffa7e4366dcfefa4e9b6c3c50da47f811c4b3426eb184a8bb2c733cb159a9f

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
SignatureNCnHtZSTTHv1AiRosuYFZvQkOnrlYwzG78ZVIX5kJYr0qQlVDxzbCqZ7CaF5TvI8K9yh073w6ohZX+4zo7ACDQ==
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

2026-09-17T11:47:36.003777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025502
observed 26dfe8bd792afeb5c67cf66aa3582038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.985653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025502/manifest.json
observed 76ffa7e4366dcfefa4e9b6c3c50da47f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.969447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025502/publication.md
observed a753786f55856a924fb79dd81e31bbfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:35.951737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025502/publication.txt
observed df8c9c7f0798d819fb9477c33e6ec2a5...
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.