OpenTechnical

OT-2026-000068147

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum 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-2026-000068147) never changes.

Identity and time

Publication numberOT-2026-000068147 · never reused
Internal UUID01a0ae8f-c4ff-76b0-a595-628e26726fed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068147
StatusPUBLIC

Content hashes

Canonical text69946f2b05c5011a20e5db2f769c97a0d3b2741f793903a966b1e47d8242869e
Markdowne37165aa48eb5b5ba9f2d0da55b61038ec74bb1dc2db3407514d715ac680230b
PDF
Publication page306c69626764db4a058ff4f5628c01fc59d68470b4df815e1bf7ad6123e5a2c3
Manifest11062ab95c65267c7bc9863c4373c3e31fc81079db33e80bf92632befdf6d494

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
SignatureNAvQXckHAgLXogJJmbsYGWaFT118FVSSgdCDvTl7zh7z3TWdiAqZYcPqs2z8LEzj98bgI/AplE2blztZJpSeDQ==
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

2026-09-17T10:30:47.795160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068147
observed 306c69626764db4a058ff4f5628c01fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.775663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068147/manifest.json
observed 11062ab95c65267c7bc9863c4373c3e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.758487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068147/publication.md
observed e37165aa48eb5b5ba9f2d0da55b61038...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:47.741645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068147/publication.txt
observed 69946f2b05c5011a20e5db2f769c97a0...
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.