OpenTechnical

OT-2026-000098181

Publication integrity record

Foam pad vacuum gripper, three zone face, four 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-2026-000098181) never changes.

Identity and time

Publication numberOT-2026-000098181 · never reused
Internal UUID01a0aea1-e964-7b71-83dc-f2ec803fa479 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098181
StatusPUBLIC

Content hashes

Canonical text43d35c8a7ea22b0f5837972c15b3355c3939ec05b36baf4c5cd6faf75c9d1cc3
Markdownfcc298033704aae7f87437319b94deb53923801e55a1ef3c599221cac828c23a
PDF
Publication page7f59ced0aebc0dafa7c83f23a232f6944d9792819adb842f76ea834b1a74b236
Manifeste745c0da3af11b65549acd7a6da8db90371c6880353c14a5e3b83047fac35473

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
SignatureahPRU/WB8IuEgVTGWy3syUuQruQkwYPHn/tyiP/xg2du9C4/VUz/5KYo4Puv7ciHaxOt2j/VBsY92KlUgDpEDg==
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

2026-09-17T09:31:20.194512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098181
observed 7f59ced0aebc0dafa7c83f23a232f694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:20.177389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098181/manifest.json
observed e745c0da3af11b65549acd7a6da8db90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:20.159712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098181/publication.md
observed fcc298033704aae7f87437319b94deb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:20.143127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098181/publication.txt
observed 43d35c8a7ea22b0f5837972c15b3355c...
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.