OpenTechnical

OT-2026-000018339

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, 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-2026-000018339) never changes.

Identity and time

Publication numberOT-2026-000018339 · never reused
Internal UUID01a0ae6e-b489-79d9-b08b-7404003f44ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018339
StatusPUBLIC

Content hashes

Canonical textfb0c7bd417521ac65f6253cde7d9b42f58f39f30c90d9f03b67015aeb83d1151
Markdown9b41ada8ec2e47644bd71b7425d7cb68da43b7612a311701e18875868ddd0ecb
PDF
Publication pageaf64e382ff2b4bb21edafbb126fa960bcb62976f16efa53128d69ad0bcbb3fd2
Manifest11b1f9ff56d86cac93cf323c4301e1d79dc3c4bfa04cbedb73fa7ca137a014e7

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
Signatureia3Z8EPgR4wOdCfLRTEjFOK4ojYoSAARARDMeOgvBEeDLk+TpW9WB2NJRnvAtVvFGDYd2+tAizv51FXzH5NuDQ==
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

2026-09-17T12:01:04.338175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018339
observed af64e382ff2b4bb21edafbb126fa960b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.321187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018339/manifest.json
observed 11b1f9ff56d86cac93cf323c4301e1d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.303580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018339/publication.md
observed 9b41ada8ec2e47644bd71b7425d7cb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:04.286308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018339/publication.txt
observed fb0c7bd417521ac65f6253cde7d9b42f...
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.