OpenTechnical

OT-2026-000051991

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000051991) never changes.

Identity and time

Publication numberOT-2026-000051991 · never reused
Internal UUID01a0ae83-e78e-7c6f-909c-75127e53370d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051991
StatusPUBLIC

Content hashes

Canonical text5b582e0d1c4a66a4a8abd7cc00e2d525de8f79a355e1265bd7b5b4115d22b6ec
Markdown9ab8ddabe3c3bd765f26e1451fada19606101e427f84eaec1bd188bbbeec7d4a
PDF
Publication page5cc88d674a0d7a587c0350f28b6758df86b502cffc8a1b23ff94836042f48ff4
Manifestfed9cb92c206f80c62a9fc24126348a8b09eb1d132fdb41e7e0ca78d48cd6531

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
SignatureGZx1FjxI9tMWthWNVtgaTFdlMEkpBOrA1YFVgJqO3nbnIRiuHg9Mv3LFoNfcKqy2kVQ1EJUs7/evx7ZNXGNdBw==
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

2026-09-17T10:57:29.633153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051991
observed 5cc88d674a0d7a587c0350f28b6758df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.616686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051991/manifest.json
observed fed9cb92c206f80c62a9fc24126348a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.601446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051991/publication.md
observed 9ab8ddabe3c3bd765f26e1451fada196...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:29.585142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051991/publication.txt
observed 5b582e0d1c4a66a4a8abd7cc00e2d525...
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.