OpenTechnical

OT-2026-000076429

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000076429) never changes.

Identity and time

Publication numberOT-2026-000076429 · never reused
Internal UUID01a0ae94-6a71-7a92-b5e2-39c701cda6b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076429
StatusPUBLIC

Content hashes

Canonical text297e0fffbb62cf41fdf72cf0c86a866c5b156c3d9c0d9699b17bb79db28c02b0
Markdownc50dc1acba1ecb2f3906e14c1fbe2855b743748089cb69889f113bcdb870ba54
PDF
Publication paged3f2f9e88621fb3662e04baeda5fcb0ddf3adac388b0466522a69b0a1bfb13f9
Manifest0e7a01df14aff5d005e2fbb93d57b722adc1faf62495bb540c2a55271d66b8c4

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
Signature61TVO7bhcw7Tb3bdkV3yADSbGdEUmKO0Q9FNZn0ioKZINB6IUwKhjyvyC5OKwo/ZRjiQONhtpOojF6vG3iNHCw==
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

2026-09-17T10:12:26.267142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076429
observed d3f2f9e88621fb3662e04baeda5fcb0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.246528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076429/manifest.json
observed 0e7a01df14aff5d005e2fbb93d57b722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.226588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076429/publication.md
observed c50dc1acba1ecb2f3906e14c1fbe2855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:26.206536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076429/publication.txt
observed 297e0fffbb62cf41fdf72cf0c86a866c...
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.