OpenTechnical

OT-2026-000054815

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, three stage ejector, supply line pressure sensor, 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-2026-000054815) never changes.

Identity and time

Publication numberOT-2026-000054815 · never reused
Internal UUID01a0ae86-1285-7fda-9650-aaf81e88b2db · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054815
StatusPUBLIC

Content hashes

Canonical text2b46b61853f6c89c07d3054cf6504124ccffc2be8120f2ea167fe79920a23a9d
Markdown9acdec96b5f98de036cd4d384dd4a7230e87c8c4fb0a290d6c3f62468a46e175
PDF
Publication page182ce8d3286e6f55aad86e7d43513e9a966e9ac38eb2514d50577ea89c7dbd05
Manifest1189ac038144a1e1ecb80fcdbfeb1401b88359bdcd5e11fdbdcb931a86cff84a

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
Signature8qQg2wPNWPw2IqBcoBmNE13ypTNNfDTKX1Zn8Jc1NhqheRDKINSFRaBJSZpMEBswUTheNhgiQtqjWOmEeu0fCg==
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

2026-09-17T10:54:01.254637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054815
observed 182ce8d3286e6f55aad86e7d43513e9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.237479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054815/manifest.json
observed 1189ac038144a1e1ecb80fcdbfeb1401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.218082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054815/publication.md
observed 9acdec96b5f98de036cd4d384dd4a723...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:01.198599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054815/publication.txt
observed 2b46b61853f6c89c07d3054cf6504124...
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.