OpenTechnical

OT-2026-000050255

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, 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-2026-000050255) never changes.

Identity and time

Publication numberOT-2026-000050255 · never reused
Internal UUID01a0ae82-5c46-767c-b902-bc25ee56c3e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050255
StatusPUBLIC

Content hashes

Canonical texte97a4775c0bc686d43923eb0d9469c8e34d8e78a19d0e7147252798dd345ad24
Markdown609cec6477a8eeb6a9344f531882f72bfa1f20f0689ba694dbe7a4dbd26de32b
PDF
Publication pagea6c60ef49bcaed40bd717ac39be4693e84ee2dfe70a32ae8f95f2a56b9e9f6df
Manifest15260c6bf85fdd452f74e48e331347495615ac553375a74b4a005926a2540d56

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
SignaturefnugsLIhsL32aYjc/nLoXE8kE68nN5aiv/AlG23wZBdQNcHw8qcKdwcw4rYfcOOXP/lpCLasHfDrrPTZ9aneBQ==
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

2026-09-17T11:01:15.298582ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050255
observed a6c60ef49bcaed40bd717ac39be4693e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.281923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050255/manifest.json
observed 15260c6bf85fdd452f74e48e33134749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.265600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050255/publication.md
observed 609cec6477a8eeb6a9344f531882f72b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:15.248550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050255/publication.txt
observed e97a4775c0bc686d43923eb0d9469c8e...
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.