OpenTechnical

OT-2026-000073717

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000073717) never changes.

Identity and time

Publication numberOT-2026-000073717 · never reused
Internal UUID01a0ae93-2b8d-782b-8009-2a1cf7b5629f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073717
StatusPUBLIC

Content hashes

Canonical text54848b69d2381f9a772625b3b9de5981da9dc42f27b21c125eea342cc6efb922
Markdown564471ba42a6dd73739e573f5246932537c185245eb211edfd52b117b7c601f0
PDF
Publication page6e931be46fa7fc368e9278adf04579e0e75ef39301dd4ac79b45cfb3588f9ef7
Manifestc12b181145f0acc50e610440b4903436ec1bc2fc00f0ab9259efe6d94d310980

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
Signature+qEh6EKBWdJjMxexYklQVbIuVwUTFcVvCrTP8RNIS5HFhL4vTxTtSGvgFDiAzny+E0AVmYjQquTjXUc09PONAg==
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

2026-09-17T10:19:47.409572ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073717
observed 6e931be46fa7fc368e9278adf04579e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.392196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073717/manifest.json
observed c12b181145f0acc50e610440b4903436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.373896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073717/publication.md
observed 564471ba42a6dd73739e573f52469325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:47.353985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073717/publication.txt
observed 54848b69d2381f9a772625b3b9de5981...
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.