OpenTechnical

OT-2026-000063179

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, manifold 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-2026-000063179) never changes.

Identity and time

Publication numberOT-2026-000063179 · never reused
Internal UUID01a0ae8c-94ab-7e43-88c2-c8f8f9299ba2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:23.840289Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000063179
StatusPUBLIC

Content hashes

Canonical text3c230e85be0e8db8265e8fd60f0fc1ab533a744b0e38677473dcecf06bdf4f49
Markdown095f0a022cad4c6ad2b9a67681b12381b1522e302398d6f292f779d8658551ac
PDF
Publication pagecd98563b18e3349506e8f764deb1e38a8c46960c16f0eafae242721e2c50a00b
Manifest422f8fb19ba6e117b5a551e54cf69520e1bb5a4d936d0e1ad021843219f98976

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/zmGefW9s0ThU6sNAlIEJQx08Zu1OPc69jwlxXREtxAWWkusc6ToPhZsUGP8+62soKpMNCo5xzfdMHFiDV39Dw==
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

2026-09-17T10:38:58.369305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063179
observed cd98563b18e3349506e8f764deb1e38a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.351195ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063179/manifest.json
observed 422f8fb19ba6e117b5a551e54cf69520...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.333642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063179/publication.md
observed 095f0a022cad4c6ad2b9a67681b12381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:38:58.316352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000063179/publication.txt
observed 3c230e85be0e8db8265e8fd60f0fc1ab...
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.