OpenTechnical

OT-2026-000043870

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000043870) never changes.

Identity and time

Publication numberOT-2026-000043870 · never reused
Internal UUID01a0ae7b-d677-7fa0-a7e5-f7201b3eec2c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043870
StatusPUBLIC

Content hashes

Canonical textadf83d06dd623f2a14f0b58a4caf9d12c2db292b8388f48e68dabf9fc44616fd
Markdown68aabd262036ddca171f078860fbd2ca6c422bb7746b540d388f5fa90514fbbe
PDF
Publication page67f740ae8e5d9cef4b4af49469fdca1edbcd5dd8f215c53d344e0ff72d702cb9
Manifest2ee276129aa9cf5ef60923ac8e8ddcdcd4e45d968277dbfd17a3836c3b7b02d4

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
SignatureNsZ9DAa0gGjCPbddyxiCItvIorTJrRVzXzosDmP+G2jAY82dN959glPzpxKLkqzVWr0r4MFsyqDPNPoWhA8CAw==
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

2026-09-17T11:12:11.660290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043870
observed 67f740ae8e5d9cef4b4af49469fdca1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.639643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043870/manifest.json
observed 2ee276129aa9cf5ef60923ac8e8ddcdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.619826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043870/publication.md
observed 68aabd262036ddca171f078860fbd2ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:11.600396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043870/publication.txt
observed adf83d06dd623f2a14f0b58a4caf9d12...
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.