OpenTechnical

OT-2026-000007555

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000007555) never changes.

Identity and time

Publication numberOT-2026-000007555 · never reused
Internal UUID01a0ae62-4df6-77eb-9edb-45f8ebca2d2e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007555
StatusPUBLIC

Content hashes

Canonical text35c406ef8b314e0d53c290def15b2d3b0c59ea3107b3ff96038306329c64f45f
Markdown5433603e0d8e301e719fcfe34be01a389e2248f0d5f66cffb17f17d02608f0ad
PDF
Publication pagec88799a89c6b7c27c13d88d15074392c08d9f84c76feb69579068c72b8424964
Manifest3743c82287ff8ca563175ef71b10b57c5f4882fa3c48f7286825475d974923bd

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
SignaturenRE/QHiU79ECP7aGDhetyQWURYiFWeNUfHtvTLeeuqYn3GKiButLduQcakw5UU/dDw7D/c+PkZkO01BWdrasAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:24.022569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007555
observed c88799a89c6b7c27c13d88d15074392c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:24.005740ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007555/manifest.json
observed 3743c82287ff8ca563175ef71b10b57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.989364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007555/publication.md
observed 5433603e0d8e301e719fcfe34be01a38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:23.971400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007555/publication.txt
observed 35c406ef8b314e0d53c290def15b2d3b...
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.