OpenTechnical

OT-2026-000070113

Publication integrity record

Foam pad vacuum gripper, two zone face, plant vacuum fed, 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-2026-000070113) never changes.

Identity and time

Publication numberOT-2026-000070113 · never reused
Internal UUID01a0ae91-1861-70cf-b964-277d7cbb41c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070113
StatusPUBLIC

Content hashes

Canonical text05c2d954b0e0b2075dfe00b40db0a7949e7d230ab180420973e5c73c1564827b
Markdown88ab8399f2da0f8260a5343cbb4ad20f010f547066eca04d08e4303d0631f6ab
PDF
Publication page281a0556d56726ea0483b50ca807b895d092069189475f4b9fcb0af5a68f65ef
Manifest2eb7ca3ef33cd6abe9ee93b430701a5abea5dd87b77d3e2a910bdf11a6b0d75e

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
SignatureVdd23WJls/dhgqqzvjui2Hmv+3dXm7FYQb+WmeMzr2ugDW8w/rtVwtctUqdrPiVqzIofajpSZIEC3gfgBq58Dw==
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

2026-09-17T10:27:05.186625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070113
observed 281a0556d56726ea0483b50ca807b895...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.168255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070113/manifest.json
observed 2eb7ca3ef33cd6abe9ee93b430701a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.150856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070113/publication.md
observed 88ab8399f2da0f8260a5343cbb4ad20f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:05.132853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070113/publication.txt
observed 05c2d954b0e0b2075dfe00b40db0a794...
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.