OpenTechnical

OT-2026-000036940

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000036940) never changes.

Identity and time

Publication numberOT-2026-000036940 · never reused
Internal UUID01a0ae77-773f-7d45-b38f-1d9b66a270f4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036940
StatusPUBLIC

Content hashes

Canonical texta5e35144f4d64c095e833812658cf81191dc604bfdcb310e29060e6542c5c9b6
Markdown77e77f201c1d9b1733390872c3dc88a1c61bed7097863c33d7390e59dadec398
PDF
Publication pagea231664cf67c91eeb5f8bb0e3c6341f2c46d80143ae11a3fe6cc6550e260b5ce
Manifest7b48cf578e65c8ee83724089f8fb9f399037a2cabdd05fd8b8ea33e63d92dffb

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
SignatureSIf2aWKR3LgGTMDhODq9bYDCV0ktaR4dVbHQUmqz5jkObuO/zbP4ReJOh8yoU6ocH+OeoYAmGYm42UMOrJMrCw==
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

2026-09-17T11:24:35.317351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036940
observed a231664cf67c91eeb5f8bb0e3c6341f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.300873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036940/manifest.json
observed 7b48cf578e65c8ee83724089f8fb9f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.282795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036940/publication.md
observed 77e77f201c1d9b1733390872c3dc88a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:35.265927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036940/publication.txt
observed a5e35144f4d64c095e833812658cf811...
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.