OpenTechnical

OT-2026-000076555

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, 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-2026-000076555) never changes.

Identity and time

Publication numberOT-2026-000076555 · never reused
Internal UUID01a0ae94-b06d-7838-b0d2-f1468ecac379 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076555
StatusPUBLIC

Content hashes

Canonical text8d4d6347bd1ab177920eadfe0a2f0bdb9f818de6b2d98807de97964c08382d35
Markdown7c5339862d4630dbe8000690020eca572030d8ce1a991e0e24f32fbd935682cf
PDF
Publication paged607dff0f77aaf2aad41127e38297da79095f671df230e847c0add5bef7faeff
Manifest6df15c457228be68cd6c53a011f8764ada0e33776d113c22b6aba344ce610925

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
SignatureSdxWkdWOzNt3DA4ao7MTVh9fveQVMYjOqg+ATzTGBP06J5fUlYPrPI0feR4LtOywB38tLDWsaHbtNfNCTSc6DQ==
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

2026-09-17T10:09:16.293863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076555
observed d607dff0f77aaf2aad41127e38297da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.273982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076555/manifest.json
observed 6df15c457228be68cd6c53a011f8764a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.255224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076555/publication.md
observed 7c5339862d4630dbe8000690020eca57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:16.235222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076555/publication.txt
observed 8d4d6347bd1ab177920eadfe0a2f0bdb...
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.