OpenTechnical

OT-2026-000069391

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069391) never changes.

Identity and time

Publication numberOT-2026-000069391 · never reused
Internal UUID01a0ae90-b529-7859-9bfc-7f17ff917fd7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069391
StatusPUBLIC

Content hashes

Canonical textd2e971f1dd63394d2c035b8e2e2a383fb1e1264540a25926c4823f9e7af8e3f6
Markdown3373c3b93d6bce451a0a23b69077f5c77169e07dd336afc58e1f8110b0835c6f
PDF
Publication page6a4343f5856eae418dfd070ca85eb7e97ea0a940155e13ae9b0cd8253f6ee377
Manifestf471799056034d21e54043a655174c696a76292016903f0c7d2e8d637a824a3d

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
Signature6K22b5wJnJEx4A9TWLaumfG8rdAqOijx0jP+xaGaicGStC6JXr+CTWJQRBH+Px9UVX7DV54KVxyl/53Q7buyCA==
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

2026-09-17T10:30:18.832421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069391
observed 6a4343f5856eae418dfd070ca85eb7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.813172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069391/manifest.json
observed f471799056034d21e54043a655174c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.792752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069391/publication.md
observed 3373c3b93d6bce451a0a23b69077f5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:18.773570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069391/publication.txt
observed d2e971f1dd63394d2c035b8e2e2a383f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.298135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069391
observed 6a4343f5856eae418dfd070ca85eb7e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.281265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069391/manifest.json
observed f471799056034d21e54043a655174c69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.263073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069391/publication.md
observed 3373c3b93d6bce451a0a23b69077f5c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:59.245088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069391/publication.txt
observed d2e971f1dd63394d2c035b8e2e2a383f...
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.