OpenTechnical

OT-2026-000058498

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000058498) never changes.

Identity and time

Publication numberOT-2026-000058498 · never reused
Internal UUID01a0ae88-f39b-7461-9f5d-fefe6dd0a5ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058498
StatusPUBLIC

Content hashes

Canonical textc512bccb9a68286ec4ec2181d5a5b5b0f3abc0f06bd86bac2217d9f4f75bad28
Markdown430c8830f9e19e217bb30aa8df06efc1e74511102528174e30026fde6e599538
PDF
Publication pageef80ad5fb6a8397d53bb414dc8b8c2d43c7032905d7ef79040370b9c91a30407
Manifest8a8d2c4f019197c1d9ace241e7d000844515cf8b76da014d74f6df5efa1192b2

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
Signature7VgoSPJujBFYB3pUn2vkPT4pChrtW42jGqH5Jc2UiPzx0Av0nvovYmhccehXu5Z1ivuug/hnbfKaVtV2PZQTCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:57.291906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058498
observed ef80ad5fb6a8397d53bb414dc8b8c2d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.273619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058498/manifest.json
observed 8a8d2c4f019197c1d9ace241e7d00084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.256710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058498/publication.md
observed 430c8830f9e19e217bb30aa8df06efc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:57.239486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058498/publication.txt
observed c512bccb9a68286ec4ec2181d5a5b5b0...
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.