OpenTechnical

OT-2026-000097098

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000097098) never changes.

Identity and time

Publication numberOT-2026-000097098 · never reused
Internal UUID01a0aea1-01c9-7984-8f43-3cee1de95a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097098
StatusPUBLIC

Content hashes

Canonical texteabb296d0dfddef78d02cf26674b1aa746a76470dcdfb1d8f6c05fbd84fe08ba
Markdown56aec0e4ee08363a9cdd1abe2cbfe725ad93440b9337af8acb5694c4d0469178
PDF
Publication page65b618806af00e82adbfdb05cb5f0f8b0a4228283407e70b05edb98b0d048834
Manifest0a7442453e46110d1a8677b03ed18d4b09486e17b0da87db53e9abcf60685351

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
SignatureVdSTYkjl7bxwFrVjWHhUZeOlLiBn8ACNEu1HhTNY2oVpq1mnFsXoq4zuDKzlBQxEfv/JLGm7jbapAshC9jvjDQ==
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

2026-09-17T09:10:43.135271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097098
observed 65b618806af00e82adbfdb05cb5f0f8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:43.117840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097098/manifest.json
observed 0a7442453e46110d1a8677b03ed18d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:43.099049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097098/publication.md
observed 56aec0e4ee08363a9cdd1abe2cbfe725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:42.953041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097098/publication.txt
observed eabb296d0dfddef78d02cf26674b1aa7...
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.