OpenTechnical

OT-2026-000100046

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained 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-2026-000100046) never changes.

Identity and time

Publication numberOT-2026-000100046 · never reused
Internal UUID01a0aea3-1474-72e3-9cc6-e863fc08e935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100046
StatusPUBLIC

Content hashes

Canonical text0b81c09d79e9e40c01ebbe018337f2c4bdac7d875ab0b8b2b9ab1591325cb4c5
Markdown56132d7495439e4cb18fa739da278d92ad19cd92fd9f653cbbf6e4268cc1441d
PDF
Publication page9fdb996ecddf0ec58ecc65fe1074f53444226ed74883d578eee3fb3250fad522
Manifest12f723ed8323e3e0afd3ce8dc3de64f5c4b4e736d5557ef6300662bdc7fed60c

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
Signaturej9ZrtRy6dLaLALX7H1wc4ILQ2cw9MpJJbg8gDNk2h0AWsv+ifuyNBv8Oi6bzDyiI4Z6vvU60wGhCtn7jVPGcAA==
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

2026-09-17T09:28:59.143291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100046
observed 9fdb996ecddf0ec58ecc65fe1074f534...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.124789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100046/manifest.json
observed 12f723ed8323e3e0afd3ce8dc3de64f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.108154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100046/publication.md
observed 56132d7495439e4cb18fa739da278d92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:59.089975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100046/publication.txt
observed 0b81c09d79e9e40c01ebbe018337f2c4...
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.