OpenTechnical

OT-2026-000011751

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000011751) never changes.

Identity and time

Publication numberOT-2026-000011751 · never reused
Internal UUID01a0ae6d-1940-729a-9085-27cfc51d6a75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011751
StatusPUBLIC

Content hashes

Canonical textfcb3e5a99cddd56d921895823d3d30967974bcc8b2f354f6018c7137f290283e
Markdown2c076a0b1c77d6441861c22b6a71b8bfe8fe663200b7742d45d94fc550478c10
PDF
Publication page507b313ababbf50ba798a562113e4c6147abbc2418fdda6ef2a24971510c1c23
Manifest16a1a7493b4f692564d14dfb208347d04da3b06baac2dbf8cdcc98810c96966e

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
SignatureDVcGgelLOsLcvtVmJHmFIAJx8EQThIbZ7QDjpsMa7YnM2xA7LHLNFs7IgW3XG3U4q0TqSdRutpXisLOy0XkvDg==
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

2026-09-17T12:12:27.513775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011751
observed 507b313ababbf50ba798a562113e4c61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.494600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011751/manifest.json
observed 16a1a7493b4f692564d14dfb208347d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.474022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011751/publication.md
observed 2c076a0b1c77d6441861c22b6a71b8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.455023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011751/publication.txt
observed fcb3e5a99cddd56d921895823d3d3096...
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.