OpenTechnical

OT-2026-000032107

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000032107) never changes.

Identity and time

Publication numberOT-2026-000032107 · never reused
Internal UUID01a0ae74-f7a4-7adf-80f1-320027af982c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032107
StatusPUBLIC

Content hashes

Canonical textb1f422431ba85b018cb7c50471a1d5b5ffa7fb0aaf8c67b2da8286f1cb24d132
Markdown325694dc2b9c15879e80224431bd729552ecc8e9b8457cf4ff1356cff6a49143
PDF
Publication page5daf932d4e41abc94a69e2a32edd06406ffb104271bb296a29857e3cf66225ac
Manifest8c0e244c435a5e6438fb4b5f97246af26fc252a36f4df22596f57eeea984a4d8

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
SignatureASmRHBIAeJAnsxrw5uF9gVmYLyDgUx0c85OdS2BTrj76cMQ4biLpTB1wltglJiVVIzXbpCgfXb+mMEQScfsoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:34:25.188301ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032107
observed 5daf932d4e41abc94a69e2a32edd0640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.170875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032107/manifest.json
observed 8c0e244c435a5e6438fb4b5f97246af2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.154528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032107/publication.md
observed 325694dc2b9c15879e80224431bd7295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:25.137915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032107/publication.txt
observed b1f422431ba85b018cb7c50471a1d5b5...
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.