OpenTechnical

OT-2026-000027607

Publication integrity record

Four bellows cup vacuum gripper, four zone face, three 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-2026-000027607) never changes.

Identity and time

Publication numberOT-2026-000027607 · never reused
Internal UUID01a0ae72-6999-70bf-84ed-0de25a2cbb19 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027607
StatusPUBLIC

Content hashes

Canonical text7310a2ea48517d502ac7155b941452dd2937d4410519f5ddc05a9928edd1675d
Markdown68f16138324fe0b19436c2adc2370bff141d7721f6561b8988e344ef9a1856c1
PDF
Publication page9c8e27819204c75606bc84545c73bb86181c8e506b3320558badd7add6811fdc
Manifestcfc8643db8313f1cc9ac5555a9ed902b7cc1ef3d2ba3177077e06d3cd5fd2e2f

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
SignatureS1pjSBl7NiP1M58jGPnSKyNUJsAZIms/7hWJ1fK1z141cIaObHucPTIp0/awx6qCvO+Uiilh/QtJY6Gnqa8HAw==
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

2026-09-17T11:43:07.403779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027607
observed 9c8e27819204c75606bc84545c73bb86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.387303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027607/manifest.json
observed cfc8643db8313f1cc9ac5555a9ed902b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.369956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027607/publication.md
observed 68f16138324fe0b19436c2adc2370bff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:07.354307ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027607/publication.txt
observed 7310a2ea48517d502ac7155b941452dd...
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.