OpenTechnical

OT-2026-000027050

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000027050) never changes.

Identity and time

Publication numberOT-2026-000027050 · never reused
Internal UUID01a0ae72-3453-7507-abbe-bc3606d40488 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027050
StatusPUBLIC

Content hashes

Canonical textcd0f6a6f8069cc02ed47d1a79afc773db24f960bf546ab1b2db35284f5c301a8
Markdown4efacbab412c1c203a0bb4eb414d17ddf76263c590da99f2c96d3c03f30c1e13
PDF
Publication page6739b49f7998744388c98513622362592a1e55ed05fe034a08a129315d3ce78a
Manifestb9ad1fabfc47b8b5b0fe5290e7f65e91b53076a19d18ba37b443eff50ee17083

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
Signature4IO8M/4kRmLv3e+QukDrubpJeHxDG37Z2xbh4w3K5o1KqwQiQ1OMySWH9SwYKmst3brLztkVSVq4aNCqD8sMCg==
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

2026-09-17T11:43:48.439138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027050
observed 6739b49f7998744388c9851362236259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.423302ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027050/manifest.json
observed b9ad1fabfc47b8b5b0fe5290e7f65e91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.407108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027050/publication.md
observed 4efacbab412c1c203a0bb4eb414d17dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:48.390724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027050/publication.txt
observed cd0f6a6f8069cc02ed47d1a79afc773d...
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.