OpenTechnical

OT-2026-000091616

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091616) never changes.

Identity and time

Publication numberOT-2026-000091616 · never reused
Internal UUID01a0ae9d-43b8-74fe-abb3-8c65398e720c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091616
StatusPUBLIC

Content hashes

Canonical text31edb04ace4d8bbbd968ca17fd1431a8331939004c9d4c0f47ed2a24fa331004
Markdown2d92c7f61851f01a192b76db7eacc253729c550f0951e1b2cc80e016b5c93b42
PDF
Publication page920adbf1e07368ddf0a3babec7a8b5ff36b3ac49f9c1335c538c2ff47193e3cd
Manifestd808fc2764b4c3c3aae4498a75404fbc6f2f9fb14df3e12cebad24031a90b9ac

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
SignatureGSygf9o1JQOc/kVMfaG9jzffNpDn2nZBNVkH3L0TOS1fdL/MUJ91SsuHAtofPFhw7mbeodRtyfGp96gi8+O6DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:41:58.423593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091616
observed 920adbf1e07368ddf0a3babec7a8b5ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.406023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091616/manifest.json
observed d808fc2764b4c3c3aae4498a75404fbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.387691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091616/publication.md
observed 2d92c7f61851f01a192b76db7eacc253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:58.368750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091616/publication.txt
observed 31edb04ace4d8bbbd968ca17fd1431a8...
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.