OpenTechnical

OT-2026-000070501

Publication integrity record

Four bellows cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000070501) never changes.

Identity and time

Publication numberOT-2026-000070501 · never reused
Internal UUID01a0ae91-5460-7150-a502-feace13d0355 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070501
StatusPUBLIC

Content hashes

Canonical text912bbdc170a52a14e3782a34557290b71c4d86c68f9627edd9799e22dc2a9c75
Markdown46cd20290a8dbb114250f66f07a89c6e66272ad6ceadbe1f23a9a9310e3e9842
PDF
Publication page7bc8221bb0efe21a32ff39cd7f5a7236261796251e8e88746b8bea23d124a744
Manifest6c2e3cea6e52cb9356f6bfdadee314365d1317bc4b706555efc30fd7cebc02af

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
Signature+vQoknK0vY0mRyFo+FVjI8jsollOW4WcQRskjqlQKabBYSE7D4g+KrRj9nfgKBdCqouEocSLYPqJSzo1nNF7Ag==
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

2026-09-17T10:26:20.261022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070501
observed 7bc8221bb0efe21a32ff39cd7f5a7236...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:20.243659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070501/manifest.json
observed 6c2e3cea6e52cb9356f6bfdadee31436...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:20.226088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070501/publication.md
observed 46cd20290a8dbb114250f66f07a89c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:20.207734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070501/publication.txt
observed 912bbdc170a52a14e3782a34557290b7...
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.