OpenTechnical

OT-2026-000052459

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000052459) never changes.

Identity and time

Publication numberOT-2026-000052459 · never reused
Internal UUID01a0ae84-573a-772b-9cd9-860ba0408211 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:23.819394Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052459
StatusPUBLIC

Content hashes

Canonical textceb56209b7fdec4c2538fc90f0763378cde3aaf5ffd73f0c578b34d591d6a3f1
Markdown0fef3a02156dbaff1eb189b5750078d4a19beab4f7d379da67736bc6cd13e6af
PDF
Publication page0e9fe0ff86a6f4ba870a5f70d618b10bc44fff8881dbbe3d3d06ba95b58114ff
Manifest9b9f3ad295ee8737dc34e2b62f89783527d1ac976ef467407b50f58bc64ae0c9

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
Signature/aH7lvWFmw46cTXbFdF9rQxtuXCBlq023HlaEJlQcf1HbZGf0P5BbHgn5Umkj95SkBzYTpaZku1ar/vRN6xZDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:05.106877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052459
observed 0e9fe0ff86a6f4ba870a5f70d618b10b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.088935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052459/manifest.json
observed 9b9f3ad295ee8737dc34e2b62f897835...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.070972ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052459/publication.md
observed 0fef3a02156dbaff1eb189b5750078d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:05.053723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052459/publication.txt
observed ceb56209b7fdec4c2538fc90f0763378...
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.