OpenTechnical

OT-2026-000030350

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold 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-2026-000030350) never changes.

Identity and time

Publication numberOT-2026-000030350 · never reused
Internal UUID01a0ae73-e501-7506-a779-e16f1164d7e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030350
StatusPUBLIC

Content hashes

Canonical textcf081c0078ee4bd46c75d96fbb7efd3ae9e0b14a834c0f2cf71db5eb50c43c28
Markdown8d213fa893fe6524c87dbd2d03e4da801103c28ba40769a71ab39f5b7d4c6406
PDF
Publication page632a107e1957357e02a84efc204c14dc5fe10be5dc5db3190bbb57b3a29389d2
Manifest0ae30545540af168aeb4701522bb15410515a5d540c5212cceb773d3b1dfa95c

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
SignaturebsC/p2uBNcpAeStekt7gRDfYS4IS22QXoLPyjFneRjN26BQJWwTij4rGnGnrahZHwXTkNU6UoJXmkgz8VOj6Cg==
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

2026-09-17T11:38:04.063219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030350
observed 632a107e1957357e02a84efc204c14dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.045604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030350/manifest.json
observed 0ae30545540af168aeb4701522bb1541...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.029872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030350/publication.md
observed 8d213fa893fe6524c87dbd2d03e4da80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.012822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030350/publication.txt
observed cf081c0078ee4bd46c75d96fbb7efd3a...
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.