OpenTechnical

OT-2026-000066555

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000066555) never changes.

Identity and time

Publication numberOT-2026-000066555 · never reused
Internal UUID01a0ae8e-ce41-7dd7-b2f3-d3b9e6f29696 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066555
StatusPUBLIC

Content hashes

Canonical texte65de6031d721af2fbf24dbc4b90485018d1fdb3d758e11e0ef4f23407194672
Markdown8a73112e64f06218d11becd9349385450dc913c38b4f84c34d109cb8be2384c8
PDF
Publication page7917670b57e61cf555b8970d7dfd4f88f9f362ae355b791d2da14bf72c00d283
Manifest9f7e4d2a4c05b8dda843f14e13e6e0479d54b57876ff7445ef87ba68e958d28a

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
Signature58j6L4LldAg96yPD4Yy7cA69kr4pe1w8H17bgWPJyO5QEjByvdmB10VhFt5faYgGVDBEaqhdlgxPSeHE7bVqCQ==
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

2026-09-17T10:32:49.447053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066555
observed 7917670b57e61cf555b8970d7dfd4f88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.430487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066555/manifest.json
observed 9f7e4d2a4c05b8dda843f14e13e6e047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.413294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066555/publication.md
observed 8a73112e64f06218d11becd934938545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:49.396586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066555/publication.txt
observed e65de6031d721af2fbf24dbc4b904850...
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.