OpenTechnical

OT-2026-000043615

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, manifold 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-2026-000043615) never changes.

Identity and time

Publication numberOT-2026-000043615 · never reused
Internal UUID01a0ae7b-92d0-7f55-b66c-a4944d82424c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043615
StatusPUBLIC

Content hashes

Canonical textb11b19c8f5d8f6850f66178ac05ac2624e208a2cd778fff9424e605746af4e66
Markdown3ba0d5404d14968b16e776d10cfdab35a78f8c3ac23f69594bea53271b0337e2
PDF
Publication page1f556afbf289e578b8e8f29559d9449fd9ada6321f22c9d4f8f6b863c0a6b4f3
Manifest6dc1fe579122172be7a97c6c4f46c657b7f4a0cadcf948d9a51b7dfbc7624ee9

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
SignaturebiikTST2LsX25u2ZWGrvUXaLUg8Mc9SJEIA3xG1nOugcxOf3otRjweay/6hznP1gzpDWufh2f8abjDLQ184TAg==
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

2026-09-17T11:13:04.856139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043615
observed 1f556afbf289e578b8e8f29559d9449f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:04.836444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043615/manifest.json
observed 6dc1fe579122172be7a97c6c4f46c657...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:04.816519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043615/publication.md
observed 3ba0d5404d14968b16e776d10cfdab35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:04.796858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043615/publication.txt
observed b11b19c8f5d8f6850f66178ac05ac262...
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.