OpenTechnical

OT-2026-000057051

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000057051) never changes.

Identity and time

Publication numberOT-2026-000057051 · never reused
Internal UUID01a0ae87-d5b7-7508-bf3a-67f5082de628 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057051
StatusPUBLIC

Content hashes

Canonical textddc671f19ea6860b26003d146f89ef68244fcd1d975b0c731a5ae0acbf9faeeb
Markdownd532ebb9e3961d9b04f645f023f5791c3fb96e0431c16e8e6a2b78e8e89a5007
PDF
Publication page85e43b8bdce21251726018882280e2628eef2c27bea0691127f142f4ed3cb29b
Manifestfcf6f08eddff39f3bc1404e3d1671ee1e1297201b6b8d0c1ed6c0e4d51ffece7

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
SignatureWB9wY6khYGcgMtuCJQY79iPClvAfGnNuSsL869+dEXSoBVs2g3fUj2JWrPsecMDkojS3IMr6ZKO/g9u0I2W0Dg==
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

2026-09-17T10:48:32.253780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057051
observed 85e43b8bdce21251726018882280e262...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.235722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057051/manifest.json
observed fcf6f08eddff39f3bc1404e3d1671ee1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.219845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057051/publication.md
observed d532ebb9e3961d9b04f645f023f5791c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:32.202600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057051/publication.txt
observed ddc671f19ea6860b26003d146f89ef68...
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.