OpenTechnical

OT-2026-000039072

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000039072) never changes.

Identity and time

Publication numberOT-2026-000039072 · never reused
Internal UUID01a0ae78-9672-76fc-bf4f-6f74570eb39c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039072
StatusPUBLIC

Content hashes

Canonical text729cc5a92db39380620212809f37c38ec9bd363d3709ae2428758d81c4f8533f
Markdown2e89d4d0bc63035eb4fa57348de440cb3a3977aa41e5c169036a8645d2088b15
PDF
Publication page7e140447ebaf046e2a1b6191e17cc5c01f51a4d406cf31826f5fa4fa701fc797
Manifest4a6aedb7e3ec7159a044ea3e64683d57326d4a5ce9b303aa6c05a3fc35e67a6a

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
SignatureVfYbH6p/TeLQhCT9iFnG2kCVexFJhgUuX1AAtsiO6BvYnD8qQeBNce+cNtnLbwbYkoXAFENwmApEk9nSri56BA==
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

2026-09-17T11:20:32.955471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039072
observed 7e140447ebaf046e2a1b6191e17cc5c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.934158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039072/manifest.json
observed 4a6aedb7e3ec7159a044ea3e64683d57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.913898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039072/publication.md
observed 2e89d4d0bc63035eb4fa57348de440cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:32.894957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039072/publication.txt
observed 729cc5a92db39380620212809f37c38e...
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.