OpenTechnical

OT-2026-000101698

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, 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-2026-000101698) never changes.

Identity and time

Publication numberOT-2026-000101698 · never reused
Internal UUID01a0aea4-0e16-7ee6-8fcd-1b76a880e300 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101698
StatusPUBLIC

Content hashes

Canonical texted2bb7f1dc37e020b988c59e9e85a642e80f4e21583fb9ea2c65185b6a2147c0
Markdown56c252f6b76b084066d6b327ee15b5bef9d868c2d120d138d6058be80413c004
PDF
Publication pageea25bf6344e8c961f408b211a9c45991ff0775f11e30344b840a5069e98a6db6
Manifest750a1c0976c7f831f41defbcb40a1af8eac8bb4f88d2bab3614e89af4d70c189

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
SignaturemHDrZ65QyvdOsEs5Lis+gytXXB1w9VQEVbqinkMJ5nJiJ89OMS/WeOfrSMn8sm3/jsGU0qCacQ8buMdSsmhVCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:43.337344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101698
observed ea25bf6344e8c961f408b211a9c45991...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.317927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101698/manifest.json
observed 750a1c0976c7f831f41defbcb40a1af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.299043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101698/publication.md
observed 56c252f6b76b084066d6b327ee15b5be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:43.279982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101698/publication.txt
observed ed2bb7f1dc37e020b988c59e9e85a642...
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.