OpenTechnical

OT-2026-000038887

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, three 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-2026-000038887) never changes.

Identity and time

Publication numberOT-2026-000038887 · never reused
Internal UUID01a0ae78-769f-78cb-bed7-a7d6cdcb7e35 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038887
StatusPUBLIC

Content hashes

Canonical text11cf1053a0953708a34a46b14655cce53bf3a81d19c392cc23891d2f15be3bbd
Markdownbc6df695a843792c1f3786b322d99caf31e1227ee567080191dc9fdc21b45939
PDF
Publication page22f7f189fea0aaaf37b330fcc4badd05da3ed8a93f9a48ce4e60f85c5a5794ed
Manifesta138ac989afcd32b44742ba4673d182180f9985dc05b4154cdac057c9790c401

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
Signatureln9ATbbr417dxz9kBE1MH5lj/We1zmhnT32v/vkmLVCQM+PLpPBaWiAKDvLJqsOnzhz7gP+9QZHQe0yLJEPcCw==
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

2026-09-17T11:21:33.129279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038887
observed 22f7f189fea0aaaf37b330fcc4badd05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.110475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038887/manifest.json
observed a138ac989afcd32b44742ba4673d1821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.090213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038887/publication.md
observed bc6df695a843792c1f3786b322d99caf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:33.074017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038887/publication.txt
observed 11cf1053a0953708a34a46b14655cce5...
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.