OpenTechnical

OT-2026-000097971

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000097971) never changes.

Identity and time

Publication numberOT-2026-000097971 · never reused
Internal UUID01a0aea1-92f7-76aa-a5e5-443d50403658 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097971
StatusPUBLIC

Content hashes

Canonical text4030211d7a2fc81a1326d55b99cbc7d8cd6e70ef2320a1c4c9abd6bc9940bc01
Markdownb44e9058af2c2271bb31ea984a0d83e7fa1c66c4c7851824d82b2dd3c9cf2f70
PDF
Publication pagef89746ed26d0abada911e55a3db8a30916015a37cf1c3e92a2d3cca2b55e249d
Manifest22372ab9c74208e5fe51f91e5cc2a83672f49bcc9bb3389dc24b8002dbddec1d

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
SignaturerR71/wwNc2xiapyMq537hTHg6S0+Ab4exPsXUtXs3HlgIf1DM0w0InaCLGtXqYLGi7F3oGIsiCh+BERRkWc6Ag==
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

2026-09-17T09:33:06.957920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097971
observed f89746ed26d0abada911e55a3db8a309...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:06.939664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097971/manifest.json
observed 22372ab9c74208e5fe51f91e5cc2a836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:06.920523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097971/publication.md
observed b44e9058af2c2271bb31ea984a0d83e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:06.902312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097971/publication.txt
observed 4030211d7a2fc81a1326d55b99cbc7d8...
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.