OpenTechnical

OT-2026-000068530

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000068530) never changes.

Identity and time

Publication numberOT-2026-000068530 · never reused
Internal UUID01a0ae90-2482-717c-ad3e-2665bddb8315 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068530
StatusPUBLIC

Content hashes

Canonical text975c03f75d97c68589448872e4a495c07e64b97337cd6c617efc102fe862d514
Markdown764904712f0d10767db0ba6d993488659f8c1bdfea633ae764b8e54154a9a9de
PDF
Publication page54dc1093fcd86c4148981532eb98a9237e2f171ea46bbf3ed5e501b161cedf2a
Manifest2c73361f7c031be9c2c78b89a2264fb682a45e1aecb3798af6e9f2f4fd8ed1dd

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
SignatureF4+jgdB/tpMqteJUTgyOHOR4ENNeYUViPD1EG48XAY7YL0g8Zah/Xtmnl6s3v1t1eCFJ1BXzzR0O4EplBR2MCw==
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

2026-09-17T10:29:41.504735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068530
observed 54dc1093fcd86c4148981532eb98a923...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.487626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068530/manifest.json
observed 2c73361f7c031be9c2c78b89a2264fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.470774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068530/publication.md
observed 764904712f0d10767db0ba6d99348865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:41.452822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068530/publication.txt
observed 975c03f75d97c68589448872e4a495c0...
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.