OpenTechnical

OT-2026-000041221

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, sustained blow-off after 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-2026-000041221) never changes.

Identity and time

Publication numberOT-2026-000041221 · never reused
Internal UUID01a0ae79-b143-7883-a353-0d1d04db12d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041221
StatusPUBLIC

Content hashes

Canonical text6446703e60b670e6d7816fd6a8ff36e619b876e85a7f2666ea3667e23d6182b9
Markdown877fab41f2a8d5a8d5a3376ed3e830343eb3179f6bf45ee35ba4e08ea4efb847
PDF
Publication page31863f3322dc31dbc31d60eb6b626c1fc72d828c677dff1e1bbceedd7b12ccf1
Manifest068c09c4e628a79323a1fc5d3a0ebcb6e84efa938bc156319a32b93db120c3e0

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
Signature9RUuZI6JwujVcwpGE61XNMd4PkY26om+PJogf6m58NxJqAN+28hNqYNcE376FKiSuu8nNRr42QiZj0/3IjjkBQ==
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

2026-09-17T11:17:11.010602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041221
observed 31863f3322dc31dbc31d60eb6b626c1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.992495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041221/manifest.json
observed 068c09c4e628a79323a1fc5d3a0ebcb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.973357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041221/publication.md
observed 877fab41f2a8d5a8d5a3376ed3e83034...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:10.955586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041221/publication.txt
observed 6446703e60b670e6d7816fd6a8ff36e6...
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.