OpenTechnical

OT-2026-000069711

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, single stage ejector, 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-2026-000069711) never changes.

Identity and time

Publication numberOT-2026-000069711 · never reused
Internal UUID01a0ae90-b52c-7a23-90be-7463c4733084 · 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-2026-000069711
StatusPUBLIC

Content hashes

Canonical text2124013355dc30dd63fa4f8a2a9ee5576a7ef0d29499fd262a59ede3b6f768f0
Markdowna7db1cc0bdd1aa1381470cfaaf0b1648d81b8bd37a8dd6903224c6153ee8d187
PDF
Publication pagea8ec443dd2511d7fad3700d9f28f662d5e893434e738b5f8208ad3c163a9dfaf
Manifesta5a6f9e602a2efebf87110906d4d90f69ac3feda179b499e440981d0f90624ff

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
SignaturejlZSw+vS99xpJYh/UM6V2yUcNGubiWnCMfekCa1bCnL9Fr+7+lvQYhfBBJi083TaHJ01ybJJePVScxzwelCYAg==
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

2026-09-17T10:28:28.841011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069711
observed a8ec443dd2511d7fad3700d9f28f662d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.824260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069711/manifest.json
observed a5a6f9e602a2efebf87110906d4d90f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.739845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069711/publication.md
observed a7db1cc0bdd1aa1381470cfaaf0b1648...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:28.721003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069711/publication.txt
observed 2124013355dc30dd63fa4f8a2a9ee557...
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.