OpenTechnical

OT-2026-000012962

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-2026-000012962) never changes.

Identity and time

Publication numberOT-2026-000012962 · never reused
Internal UUID01a0ae6d-5564-7492-affb-08597a52bc00 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012962
StatusPUBLIC

Content hashes

Canonical text2d62b8a27e4c6fc61e396f02109d7f3b2bc11a043e7e9ab0f0dd8c5ab18a4a96
Markdownaeecb9a26e4cf27ac2d2856d47c630d685d0677fa7e93f8debd9a75e9a194d52
PDF
Publication page7ba980416223cb8bab444acd2c43418dbfaf6b482dfca357b8d97af005ae0bb8
Manifest226649d3a787412b91cb4fe39bd83344e75e0ff9c34ab789756716e447f2cd38

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
Signaturee3faR/PhkF/OSAu7b20Y9TsHv3776DMiyTnaVaQA6t2hBjNG0HAOJ85k65e6tJjlR/uLgThyylrfHZgPaZFtBg==
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

2026-09-17T12:10:46.312790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012962
observed 7ba980416223cb8bab444acd2c43418d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.292072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012962/manifest.json
observed 226649d3a787412b91cb4fe39bd83344...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.271244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012962/publication.md
observed aeecb9a26e4cf27ac2d2856d47c630d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:46.251159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012962/publication.txt
observed 2d62b8a27e4c6fc61e396f02109d7f3b...
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.