OpenTechnical

OT-2026-000006698

Publication integrity record

Vacuum cup gripper, three zone face, per zone isolation, ejector fed, silicone cups, oval form

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-2026-000006698) never changes.

Identity and time

Publication numberOT-2026-000006698 · never reused
Internal UUID01a0a964-540a-7ee3-8166-29845615428f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:45:19.756800Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006698
StatusPUBLIC

Content hashes

Canonical textd250ba8886ed786641aa7ae27606b38d0fbd851d80cfa5ab60041caf5fe582f2
Markdowne0619b835107635b5fac70fc14d51ba073a580cd781e095ad86784315cd25b84
PDF
Publication page59536fe03d7f9109d08c5ade57c09e2a26b0398d0da564676973f1c34f162070
Manifestf78b90ad2eee4fee10a49d6693efff6412c435f7fdaf400ff94cc47a52b7f3fa

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
SignaturewDYb+M3NmrFxZfwQCBHb50GnoV8ldeSZr0Ms2/cqF+Oj4pGG8Q5u88AsmLSUM8Kn2lmYRhIILgHLbpDCeDDOBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:15.985882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006698
observed 59536fe03d7f9109d08c5ade57c09e2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.972487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006698/manifest.json
observed f78b90ad2eee4fee10a49d6693efff64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.959579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006698/publication.md
observed e0619b835107635b5fac70fc14d51ba0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:15.947538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006698/publication.txt
observed d250ba8886ed786641aa7ae27606b38d...
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.