OpenTechnical

OT-2026-000039909

Publication integrity record

Six cup vacuum gripper, six outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off 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-2026-000039909) never changes.

Identity and time

Publication numberOT-2026-000039909 · never reused
Internal UUID01a0ae78-d8d6-788c-8c13-a725ca3bad3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039909
StatusPUBLIC

Content hashes

Canonical text5c8fcc0103e654f7c6a246bef6a7ecd1a31a7c9511b016f59529df11c1e4a9c3
Markdown846372dcdb2ef34a337054c36533f7fb9e0c7dfa6a4ac984fba2530aa2a3ff0b
PDF
Publication page565837c1c36fcf04d1958376a8ef3b7efde1c34188a62cf3a04d6cf64c6f4fd2
Manifest2d107a974aa6a538c3c7f9b1a68d56f01e1be22e5c8e26dc827d869c57622f60

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+rGb2mx/C3QPFOizUkr8iN5Y7NDXJFYqXcQ4+r+yJzkGkj2pUK2SZOodTHVgXmZ6xiDD8xRvxb8rowx88FiHBw==
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

2026-09-17T11:20:12.260371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039909
observed 565837c1c36fcf04d1958376a8ef3b7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.240288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039909/manifest.json
observed 2d107a974aa6a538c3c7f9b1a68d56f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.223228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039909/publication.md
observed 846372dcdb2ef34a337054c36533f7fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:12.205463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039909/publication.txt
observed 5c8fcc0103e654f7c6a246bef6a7ecd1...
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.