OpenTechnical

OT-2026-000100894

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000100894) never changes.

Identity and time

Publication numberOT-2026-000100894 · never reused
Internal UUID01a0aea3-c376-766c-85c5-7cb2e37f53d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100894
StatusPUBLIC

Content hashes

Canonical text6e4cf0757cfbac229a7432128273cf8cede38f6d2975ffb9689cfc2b1bb25e16
Markdownfc422ec630159a213e315f7b0724095b28d0eff9c31a3716503c1457d9032325
PDF
Publication pagef34533f58a686944d4b78422f1785ec2d159138f198b17b99cf934c550eedb12
Manifest79c179ff6c5774f2d2d22aa02358287ee193e1f83bbf266713eb9c63f405aa9c

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
Signaturei6tN3ZSR7xLBScGx1q8vbv2Mc6ooWe2XJyRsDuxhNQ876Ruk9rkgt7R8djQpG5ratybIdd7drBVGJ+FrMHqCAw==
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

2026-09-17T09:26:23.184508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100894
observed f34533f58a686944d4b78422f1785ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.168677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100894/manifest.json
observed 79c179ff6c5774f2d2d22aa02358287e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.151991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100894/publication.md
observed fc422ec630159a213e315f7b0724095b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:23.135872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100894/publication.txt
observed 6e4cf0757cfbac229a7432128273cf8c...
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.