OpenTechnical

OT-2026-000052127

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

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-2026-000052127) never changes.

Identity and time

Publication numberOT-2026-000052127 · never reused
Internal UUID01a0ae83-e78f-76f3-9c10-7efffc2a7c7f · 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-2026-000052127
StatusPUBLIC

Content hashes

Canonical text8ea6329b9359c66913b4ce28183121393cd55cd2b6df663480feaf72d4c56027
Markdown92ab93a45053e91f91392df85643ea935c6d079b9150f7a55db31cdf5780af9c
PDF
Publication page4ab550625d30e5ea5272fbd0d3a8e423b2f81f09ea8997dd824a81ce16b2a0ca
Manifestd8fb81543abcb4a0d27d3b3f4e94d2a6cc1c001e2c272f71cf925d360d16bd60

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
SignatureeGECF0XRUEfhtieIAvsYBUPfb8s2jJAmRWTVfFRhneOOsRcnwvHlfqncKvBEMHCOnT65L6bkO6hZN9Y8mQyvCw==
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

2026-09-17T10:57:40.482307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052127
observed 4ab550625d30e5ea5272fbd0d3a8e423...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.464517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052127/manifest.json
observed d8fb81543abcb4a0d27d3b3f4e94d2a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.446481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052127/publication.md
observed 92ab93a45053e91f91392df85643ea93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:40.430100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052127/publication.txt
observed 8ea6329b9359c66913b4ce2818312139...
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.