OpenTechnical

OT-2026-000071841

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, 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-2026-000071841) never changes.

Identity and time

Publication numberOT-2026-000071841 · never reused
Internal UUID01a0ae92-1e92-7767-9fd0-0bf930c2770e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071841
StatusPUBLIC

Content hashes

Canonical text3f892db036caa3077424e3b22e6ecbb88da2d9149141e05245546a10368ca2bb
Markdown39f3864ec24a5cc786599bf71c1c175bf449b353e7f450d6c87d3ccf0113c0e1
PDF
Publication page3d2733abb976c7b925da7a69e70afdd40d7ea64d0cecac19692c0e1e6c35bce3
Manifest4d50cd10119f118c891b1a2be97ff86da5ed9eb6a3d939fa457332fa88ececab

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
SignatureE+8fRPQhcPQJfku0kfvtQ96iL2+VnFtpZhHsoSL4brb2frJmPjMSqQDakrypKiMjdp7gZyHOSEKF3yrxVjHDDA==
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

2026-09-17T10:24:01.157253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071841
observed 3d2733abb976c7b925da7a69e70afdd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.138870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071841/manifest.json
observed 4d50cd10119f118c891b1a2be97ff86d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.119406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071841/publication.md
observed 39f3864ec24a5cc786599bf71c1c175b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.101242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071841/publication.txt
observed 3f892db036caa3077424e3b22e6ecbb8...
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.