OpenTechnical

OT-2026-000086662

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, sustained 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-2026-000086662) never changes.

Identity and time

Publication numberOT-2026-000086662 · never reused
Internal UUID01a0ae9a-2c99-708b-8b1b-fc3826f80980 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086662
StatusPUBLIC

Content hashes

Canonical text74f6ed41cbe917d23080ff88d3a4355c1c91f71f4707442b5803aa7c687bb90b
Markdownab629b114b544cc333a42720143b52c17b1fb2e80e0d430d01adfba1f4011559
PDF
Publication page0c270b5d3b76e3f27347f5f185fd09673dec27add1f4edfe46564bd8cfd2fe62
Manifest4425653331d476da415c6d29edfe8e00e2adb88afc5e234c8c3c057763d6073a

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
SignatureiGZt9nQ8KzAHO7r9i7JxUTEsmJR9DxD7rLUenIxf351F1/GXtS429hXTJzzlC1ZceuqncmlvH5iTcs4O9Nd0BA==
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

2026-09-17T09:52:31.593958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086662
observed 0c270b5d3b76e3f27347f5f185fd0967...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.576370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086662/manifest.json
observed 4425653331d476da415c6d29edfe8e00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.558318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086662/publication.md
observed ab629b114b544cc333a42720143b52c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:31.541451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086662/publication.txt
observed 74f6ed41cbe917d23080ff88d3a4355c...
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.