OpenTechnical

OT-2026-000073101

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000073101) never changes.

Identity and time

Publication numberOT-2026-000073101 · never reused
Internal UUID01a0ae92-c816-7ab3-b10b-beac09cca6b6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073101
StatusPUBLIC

Content hashes

Canonical text69028d886fb3f3855fc0ae66301628d6ce4970156bded89e32bf72d3bd020ff9
Markdownccc140e3df0192c29ab46d0e6d0d2ff372347dcc4a7ea42543138c23aacd00ed
PDF
Publication pageb405ca857a401000f3820e5e59f4b722bd518790c43772ef650cffe23f995c2e
Manifest7018fca6fb05086895563139efcf15a342c8941412b2d40f4f1e2fa578ff9c07

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
Signature/JLDR7YEkthlBHIhbXCn6+JLM7W/LMyJBb18BOl9yzl3yRZOmH3u83jz3mUnBJgO6VGlCI6kI7Z2Kqh67Tk/DA==
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

2026-09-17T10:22:03.701445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073101
observed b405ca857a401000f3820e5e59f4b722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.681869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073101/manifest.json
observed 7018fca6fb05086895563139efcf15a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.663531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073101/publication.md
observed ccc140e3df0192c29ab46d0e6d0d2ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:03.646126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073101/publication.txt
observed 69028d886fb3f3855fc0ae66301628d6...
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.