OpenTechnical

OT-2026-000097144

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000097144) never changes.

Identity and time

Publication numberOT-2026-000097144 · never reused
Internal UUID01a0aea1-01c9-7521-862a-f5974cec9792 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097144
StatusPUBLIC

Content hashes

Canonical text882c5c99e76dd125d4cd961f0f0bca82f168cf1e4e164f49129d5e07b40c178d
Markdownc4cebf9111a2627e3b9b8d141b42c34ee37e8b57b0c77bea4ae1d23bb56a92b0
PDF
Publication page20778f27b6ce3cbf625ebaf787edde1a4353641ecb35beeaba4e5e2e27e60eaf
Manifest07c21197f7c120ad864d0bb7ef94000a1181868f8da56d171ef1d3c34197fd26

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
Signature1A4FY+sbYB42XzvLjNZqHhcDg3vkqJw6bs2eaeB5MvXU/lBvuILezFUmUvbBPnY5TWtroqEiyAfRrFmJclETBg==
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

2026-09-17T09:10:56.460165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097144
observed 20778f27b6ce3cbf625ebaf787edde1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:56.439939ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097144/manifest.json
observed 07c21197f7c120ad864d0bb7ef94000a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:56.420681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097144/publication.md
observed c4cebf9111a2627e3b9b8d141b42c34e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:56.403641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097144/publication.txt
observed 882c5c99e76dd125d4cd961f0f0bca82...
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.