OpenTechnical

OT-2026-000017378

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single 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-2026-000017378) never changes.

Identity and time

Publication numberOT-2026-000017378 · never reused
Internal UUID01a0ae6e-76c9-72fe-947f-5d85ddea627e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:30.105855Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017378
StatusPUBLIC

Content hashes

Canonical text8bf389946d7242ad4ad746c648db7033954f35562659b0e9b5e5768e902e628d
Markdowncb55f1a2710c2fa90c2a0b1be94ca285278447dc571fc19e87f5fc5044db3aa9
PDF
Publication page8aecb80914d3b64a4f89f9ce95df69e3cd140e2f8a768a483039f6703de0be82
Manifest51df96d131cb175e078f9806f971e907a53ed456709586784acb54bd0c5d267f

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
SignaturekBzziPmm8W6tWLnV6GJBfiXf5GTZvGAmgfJGUhAlSnKCdlPLDBFDlBS+mMhvCEwrz9mkXsn3eUGmRup/cbKCCw==
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

2026-09-17T12:02:29.929505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017378
observed 8aecb80914d3b64a4f89f9ce95df69e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.911852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017378/manifest.json
observed 51df96d131cb175e078f9806f971e907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.895946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017378/publication.md
observed cb55f1a2710c2fa90c2a0b1be94ca285...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:29.877395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017378/publication.txt
observed 8bf389946d7242ad4ad746c648db7033...
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.