OpenTechnical

OT-2026-000099695

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099695) never changes.

Identity and time

Publication numberOT-2026-000099695 · never reused
Internal UUID01a0aea2-c976-7dfd-bcd5-105f115e0652 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099695
StatusPUBLIC

Content hashes

Canonical text3c6317a1d190c53994abb0e150edb0c120a0f20ff30ba2b8dd14826ffe3b330b
Markdown0d69153ad210af0786ffb10068e10f81ddb02f61da6df16f5ed95d1ebf98612c
PDF
Publication page1c3e6f2a0fa31f63f5cad1391b1df78ee9bdab5993172eb02e8f2ef0e55b9621
Manifestbd7c10d392c8a526cb0dc456ce38177d36c156bb52c2df0a7b2724cf0eabd404

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
SignatureaQSQSLTV9w1smmwNVarI7AZQoELAteu19/OE8EbagciZlktkLd7HUOHuJD3XIst8oY7ArQzWU+px4+LB6nj2Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:42.409564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099695
observed 1c3e6f2a0fa31f63f5cad1391b1df78e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.392250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099695/manifest.json
observed bd7c10d392c8a526cb0dc456ce38177d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.374474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099695/publication.md
observed 0d69153ad210af0786ffb10068e10f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:42.356227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099695/publication.txt
observed 3c6317a1d190c53994abb0e150edb0c1...
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.