OpenTechnical

OT-2026-000033070

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, pulsed 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-2026-000033070) never changes.

Identity and time

Publication numberOT-2026-000033070 · never reused
Internal UUID01a0ae75-4843-7ebc-b5c8-b64667f92f24 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033070
StatusPUBLIC

Content hashes

Canonical text38028174646fb72df9aa352dffd5f9ba1563186edb8a231c50fefea29827c53f
Markdown8fe5fa90b4a0cf4173dc3cddf0660295188bf90f35ef14cd67070c1768182273
PDF
Publication page8ae6b6712da622208f790c4d4ec234cb294afa3df3984ac2e6fb21dd9eed9fb9
Manifestc539d3ec10cbf29abb8fa257b037d85f4ffa1a76afee134404aab39b57beedfc

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
SignaturegHudLErFhOxpvIk+03qFLvMd+/NlA3VLjC+Gs9AVmx3b/2Ol7vTxz6jkzMTQrMviIaPWFklRzjKJXSZ4M+6BDQ==
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

2026-09-17T11:32:42.898040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033070
observed 8ae6b6712da622208f790c4d4ec234cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.881985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033070/manifest.json
observed c539d3ec10cbf29abb8fa257b037d85f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.866118ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033070/publication.md
observed 8fe5fa90b4a0cf4173dc3cddf0660295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:42.846499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033070/publication.txt
observed 38028174646fb72df9aa352dffd5f9ba...
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.