OpenTechnical

OT-2026-000031854

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, three 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-2026-000031854) never changes.

Identity and time

Publication numberOT-2026-000031854 · never reused
Internal UUID01a0ae74-bad1-73f4-b2f8-4d5ea9f9c831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031854
StatusPUBLIC

Content hashes

Canonical texte3940c07b0c1d32e03d2e09ccad88ecb395b23f4d680e8ddf027c1f89915fe4e
Markdown5669023aa4b6c954fcdc070dc0a767133fc8e951828f60fa976df304bd37e83a
PDF
Publication pagec36ee190235c83eb3a786b9ffe00d88a63ac7ee1b7aa18f6fd9166ef908faca5
Manifest998bb374f30bf98b1f74916868ad292f41ba092eb2c0b7806f2e00c56597f935

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
SignatureK7NTcpD5QMDuSesOpttFgQT4sRj4LbMn/+3ATAs0KQg5Ih7P668tJFD+mHUvUVZsW65wPPq+xr5Aylpg07ayCQ==
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

2026-09-17T11:35:06.536947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031854
observed c36ee190235c83eb3a786b9ffe00d88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:06.520969ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031854/manifest.json
observed 998bb374f30bf98b1f74916868ad292f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:06.497905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031854/publication.md
observed 5669023aa4b6c954fcdc070dc0a76713...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:06.478082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031854/publication.txt
observed e3940c07b0c1d32e03d2e09ccad88ecb...
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.