OpenTechnical

OT-2026-000089194

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000089194) never changes.

Identity and time

Publication numberOT-2026-000089194 · never reused
Internal UUID01a0ae9b-db00-781e-b64e-9658baef29d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089194
StatusPUBLIC

Content hashes

Canonical texta63eb21f54691c4d5eec94ed7c7aa5cc1e43089ff1d08fdee17605b6aa7e6959
Markdowndffb0fb774c05264ed82473d1f87a2d9b041f5dc698afbdf5f9f6ff4826171c6
PDF
Publication pagebeaedd1624025d45cb5c2ee2a56d0dcbf1c5ea115bdb03df99fd8b59819e2c2d
Manifest64343c2a1d7152db25d44a163fc36254a4f250241a87daf311bd846c5bc96dc9

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
SignaturedB4vVuNogNeycRgoliM6YTtp32Mas1HiHwnXCq+HK7mVcyEuJub3kqHGQKm+oy6Q+Y5EMC1MLhS36pcuYeOSBQ==
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

2026-09-17T09:47:12.658201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089194
observed beaedd1624025d45cb5c2ee2a56d0dcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.641779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089194/manifest.json
observed 64343c2a1d7152db25d44a163fc36254...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.623941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089194/publication.md
observed dffb0fb774c05264ed82473d1f87a2d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:12.606087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089194/publication.txt
observed a63eb21f54691c4d5eec94ed7c7aa5cc...
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.