OpenTechnical

OT-2026-000075437

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off before set-down

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-2026-000075437) never changes.

Identity and time

Publication numberOT-2026-000075437 · never reused
Internal UUID01a0ae93-f201-7e36-85b5-95b783e15b6e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075437
StatusPUBLIC

Content hashes

Canonical text6170e0664b8f719028ef9dc084be140a69fcf649f1796a50f3ba2212c52f7f20
Markdownc03c1c0dedfc663bc5f437e39efc4220e57088737f0648a0a7b52c08af883427
PDF
Publication page1bd748cbef083e11c7a45dc56c28373c25d48d6cd48c3eeef7164b40c3338164
Manifest4b53b98ead1d85066d4bd1530534686afece85ff0152735a1e6c1c95151fd485

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
Signature7YYQGbjYY78bhA0ipde40VTX6IqNn9broLMVKMX5EyjGupfS98vHyciasKGqzpcGAnsWQ8nfZT8tJUcINy1TBQ==
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

2026-09-17T10:17:37.806836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075437
observed 1bd748cbef083e11c7a45dc56c28373c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.788518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075437/manifest.json
observed 4b53b98ead1d85066d4bd1530534686a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.767212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075437/publication.md
observed c03c1c0dedfc663bc5f437e39efc4220...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:17:37.747325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075437/publication.txt
observed 6170e0664b8f719028ef9dc084be140a...
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.