OpenTechnical

OT-2026-000034171

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, 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-2026-000034171) never changes.

Identity and time

Publication numberOT-2026-000034171 · never reused
Internal UUID01a0ae75-df0d-7b1a-9d2e-4fbcba514d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034171
StatusPUBLIC

Content hashes

Canonical text9e76e2567821296eb2c6557dbdd47e558f1beafa15867b2df7cc998021564064
Markdown3f96d2a34e7b158c75fa9004ae70359d2422a3b077cb9749c3edb178d0fe7e52
PDF
Publication page8f87abacfe63b984cb92af9127b63fd0918fdbdaf82c4564f96660fb7624eb2c
Manifesta95c5e942df15949acd3de2e66a0559c7a6cf85223d62bffc11835f242abc904

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
SignaturejS4zpswoNS/jjw37M4bmjOq4KzC7cIi9wV6T50NVQS0m/ioK1vRheTQ+0LoC5MdBwRDD+O+tuOb1X1in4YiRAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:30:42.020207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034171
observed 8f87abacfe63b984cb92af9127b63fd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:41.999874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034171/manifest.json
observed a95c5e942df15949acd3de2e66a0559c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:41.976818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034171/publication.md
observed 3f96d2a34e7b158c75fa9004ae70359d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:41.957841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034171/publication.txt
observed 9e76e2567821296eb2c6557dbdd47e55...
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.