OpenTechnical

OT-2026-000023881

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump 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-2026-000023881) never changes.

Identity and time

Publication numberOT-2026-000023881 · never reused
Internal UUID01a0ae70-aed6-7939-a75c-49a18cd7d524 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023881
StatusPUBLIC

Content hashes

Canonical text41098d286dfeb03e71e66a9dd9371010f6fa716a4265af19d73e57a17d282e0c
Markdown101624e65cec8ac2fb12cbdbedbcfa1ee030ab51d10b326b06d3477613a81c6a
PDF
Publication page426bbaf07fbbfbfaf4899523921acb2c2cbd2ebe4b17e60346059172a264c011
Manifest2e1bb446d8ec234db8e10274a16ebba1518d463b0a71b2dacb4a581be2720a04

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
SignaturenLcjiQvQJ0gxI7uPv1gJO1nr8QbFSmsDLX64ujYIow6LKPlaPbZAblwFc8tapmTtlRa3/CiguCLNmI73xFA2AA==
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

2026-09-17T11:50:29.435473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023881
observed 426bbaf07fbbfbfaf4899523921acb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.416094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023881/manifest.json
observed 2e1bb446d8ec234db8e10274a16ebba1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.398332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023881/publication.md
observed 101624e65cec8ac2fb12cbdbedbcfa1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:29.380009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023881/publication.txt
observed 41098d286dfeb03e71e66a9dd9371010...
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.