OpenTechnical

OT-2026-000041073

Publication integrity record

Six cup vacuum gripper, six outlet manifold, pump fed, 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-2026-000041073) never changes.

Identity and time

Publication numberOT-2026-000041073 · never reused
Internal UUID01a0ae79-b141-7242-a8f8-f4a077576983 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:45.980839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041073
StatusPUBLIC

Content hashes

Canonical text410914adb337d554d34553b8d95f4632558a75857c5de43cc35c4c8b5c1102f3
Markdown2753ce2b56bcac00e6d95995e829a4491d2fa7ee901bbcd8a32649a355648117
PDF
Publication page571ffb0b89745b46a34ad1a301dee6c2af49b20aa3e255434b2ed4776b20fb33
Manifest3610b97518ea99d081b0d21829b5f2b452aef395c13a31f2328ed78775e8ff3c

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
SignatureYxaDcvl9Lx6OvgeRhIirTFn+uvdykpu/igMDbj9X1xBuaGDaVLRHgohCr6bGRGARi/MUAqT8sSXz0XTeaJKyCw==
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

2026-09-17T11:16:59.334376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041073
observed 571ffb0b89745b46a34ad1a301dee6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:59.317130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041073/manifest.json
observed 3610b97518ea99d081b0d21829b5f2b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:59.301491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041073/publication.md
observed 2753ce2b56bcac00e6d95995e829a449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:59.284136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041073/publication.txt
observed 410914adb337d554d34553b8d95f4632...
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.