OpenTechnical

OT-2026-000079518

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented after set-down, on a tool changer

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-2026-000079518) never changes.

Identity and time

Publication numberOT-2026-000079518 · never reused
Internal UUID01a0ae96-0b91-7fd2-9ba0-2129df88009b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079518
StatusPUBLIC

Content hashes

Canonical text96d6d3c3e71ea2eeb87e27da804e2bd27b999eb33d0d0d9ba88920fd5f06f831
Markdownefaa411c7118783a79883717560f3ffe9779d16871e95ea1d77f87d3a63ab3d9
PDF
Publication page5ca6fbdd8ed5a71280475f3409471f96e0d2e1ebc31deecb757dd18013cc6138
Manifest7d56ea694143fed3b929971ebff88c7c90ca3df5cd3c4ea9877eab5705999c28

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
SignatureBFwqoCkRFkFCng0n8JF7LjfGK9c4lkoil955VY72WA+P2DpPjU1mHAdclsq3uVfvMQjcrahHdCPzzg2yM3W/CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:09.631602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079518
observed 5ca6fbdd8ed5a71280475f3409471f96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.613451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079518/manifest.json
observed 7d56ea694143fed3b929971ebff88c7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.596721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079518/publication.md
observed efaa411c7118783a79883717560f3ffe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:09.578936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079518/publication.txt
observed 96d6d3c3e71ea2eeb87e27da804e2bd2...
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.