OpenTechnical

OT-2026-000018195

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump fed, 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-2026-000018195) never changes.

Identity and time

Publication numberOT-2026-000018195 · never reused
Internal UUID01a0ae6e-b488-77e9-8d62-5672adcfc171 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018195
StatusPUBLIC

Content hashes

Canonical textea455add82a87ddaf683b11b9f9fedead6a751275cfe8cb76dbbe00243dfc386
Markdown1e8a3a8a18f22bfbc27bd0d0a09e5a8ec7b0eb01b8f742093e97774a11e2c5ea
PDF
Publication page05325429c4da815cba2f9b3acf4c9644b2752160d8f1c5397c6ce6700825d2e3
Manifest48857693529427ee2803d0d4079b4b3efc22ec45733e71d26f3f8fccddc94abf

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
SignatureJibxlxNwlNsxZuRsUvv3BuRpwxF6UosmqN7ZA2+QITvRGyGgnkBijenljmlnEq3vDdTJENzjnV9oM2yB1wLCBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:58.686544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018195
observed 05325429c4da815cba2f9b3acf4c9644...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:58.668828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018195/manifest.json
observed 48857693529427ee2803d0d4079b4b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:58.651271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018195/publication.md
observed 1e8a3a8a18f22bfbc27bd0d0a09e5a8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:58.634111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018195/publication.txt
observed ea455add82a87ddaf683b11b9f9fedea...
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.