OpenTechnical

OT-2026-000070905

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, supply line pressure sensor, pulsed 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-2026-000070905) never changes.

Identity and time

Publication numberOT-2026-000070905 · never reused
Internal UUID01a0ae91-8c2d-7e3c-b4cc-23fc4321febb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070905
StatusPUBLIC

Content hashes

Canonical textf34cc83c88cf1a7af747b4b014ad71a09ada8f237849811240334cdf38465027
Markdowncde68fe84536d5b7c9c8c3b880a49a72dfd01ffc0f5f33d3b027d94c520ba89c
PDF
Publication page0ff0e8ced992ebe04d4e2f097d8958ae374491722aefb4d12f848e2779503fdf
Manifest9930bcd13a93695debc9555b27e15a8ad38774221e74ba0d2ad30e443a3c5ed7

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
SignatureSD0vTeuR3Q1TYYt4WLnQ4cj3fFDDnstvi5UUcCAh0DyBYUlC2Y73LvgkigtVTQfVmsmtq3Q7nSLkXCUDgWNCCw==
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

2026-09-17T10:25:44.052284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070905
observed 0ff0e8ced992ebe04d4e2f097d8958ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.035514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070905/manifest.json
observed 9930bcd13a93695debc9555b27e15a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.019757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070905/publication.md
observed cde68fe84536d5b7c9c8c3b880a49a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:44.003757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070905/publication.txt
observed f34cc83c88cf1a7af747b4b014ad71a0...
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.