OpenTechnical

OT-2026-000046037

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000046037) never changes.

Identity and time

Publication numberOT-2026-000046037 · never reused
Internal UUID01a0ae7e-0329-734c-85cc-9ec67d4d3344 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:31:29.080672Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046037
StatusPUBLIC

Content hashes

Canonical text0e7f20c86e582fc41308455ba5b111b47076940e51882daace43ce9094c1fed4
Markdowne3b77c1855f07b3f2a810e232e5e280b63182cb1fc4e2f71d0c10f09f664644b
PDF
Publication page5ac8fafa0d0403f39f87cd2f221eb628ecb97c0b242115d7783195ea61ae48e0
Manifest1c79f7a598b5efc47683d8fa2d31738ce7519f69946c4d2da9b3c9566b130889

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
SignaturelrPf6xkiER3QQgbULv0aJNOKTs8J4J3zREwCmqJcJ0BiHWwe4aI3I6SR4rn0qv0CI6+Q2+j8dudgOgBpf8hECQ==
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

2026-09-17T11:08:59.322678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046037
observed 5ac8fafa0d0403f39f87cd2f221eb628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.305137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046037/manifest.json
observed 1c79f7a598b5efc47683d8fa2d31738c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.287377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046037/publication.md
observed e3b77c1855f07b3f2a810e232e5e280b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:59.269216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046037/publication.txt
observed 0e7f20c86e582fc41308455ba5b111b4...
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.