OpenTechnical

OT-2026-000103158

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000103158) never changes.

Identity and time

Publication numberOT-2026-000103158 · never reused
Internal UUID01a0aea4-be3e-7044-87d7-52eca242306b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103158
StatusPUBLIC

Content hashes

Canonical textbff5cab1d5830a8c0b2940fa8aeb33c02646bed4215f0cccc32b94bdf22e123d
Markdowne2364ed004fd425019546f0b50a36ed00ce354cf1c9a5e2223926eab4236715d
PDF
Publication page54548273b9d385b46fc6e5b694813aae77768095e264c8efd5bcbeb52ed1ebfc
Manifest4b15d5c5d1b7a27535348cfcce987b3df03c2a95afe5f98a0d2caf04d30c3152

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
SignaturetDnl1rzhus3KZagdsl59YYamxNQh9USdu1uS8cQHedQOnbDd+dzLlsVzMKIuLmsxwdtINIoQKVBm/omzp4LdBA==
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

2026-09-17T09:23:22.331829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103158
observed 54548273b9d385b46fc6e5b694813aae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.314678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103158/manifest.json
observed 4b15d5c5d1b7a27535348cfcce987b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.296785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103158/publication.md
observed e2364ed004fd425019546f0b50a36ed0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:22.278076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103158/publication.txt
observed bff5cab1d5830a8c0b2940fa8aeb33c0...
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.