OpenTechnical

OT-2026-000057007

Publication integrity record

Three bellows 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-2026-000057007) never changes.

Identity and time

Publication numberOT-2026-000057007 · never reused
Internal UUID01a0ae87-d5b5-7aba-91ee-2350cb4dac21 · 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-2026-000057007
StatusPUBLIC

Content hashes

Canonical textd21ecad5d358f64a34cdf175c80797a752f7a43392b0ddebf0fcae05ede4c127
Markdown671636485c5e254d31fefe06e0c10148066d7f64b076b9d484105c632d9e117f
PDF
Publication pagec0ce68ffa63437e0b3d6b3c9e3b4e5d6fb3f06522f23adf4944d9d58da936ced
Manifest1730a2c0c21f0e516ffeb9f0e1c0605ec8965a6657ea704a66f39e22e2741d3d

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
SignatureDvjp5nQ4h1Cy+6DZrAE+b3IMsEjrqgZcmo0O2ckMulgZccYzsmFIN2JsYfw8EcO6oU+vqEs5mO7siI7qz6wFAA==
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

2026-09-17T10:48:28.913509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057007
observed c0ce68ffa63437e0b3d6b3c9e3b4e5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.895767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057007/manifest.json
observed 1730a2c0c21f0e516ffeb9f0e1c0605e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.878084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057007/publication.md
observed 671636485c5e254d31fefe06e0c10148...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:28.859837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057007/publication.txt
observed d21ecad5d358f64a34cdf175c80797a7...
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.