OpenTechnical

OT-2026-000031744

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000031744) never changes.

Identity and time

Publication numberOT-2026-000031744 · never reused
Internal UUID01a0ae74-bad0-7e8e-b8c6-717313097192 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031744
StatusPUBLIC

Content hashes

Canonical text61412efdd5c0a1908bafb4e5b3c799b67c8b7035360b587f9ae3f001102db3f8
Markdownfdb08f0c0ab734c1cab38655c6efa250fbb2456cd8887d079ed6548537263b0b
PDF
Publication page111ec75644d289da264157a4431655218b5e69aa50ec61d4721752900d53dab7
Manifest22284d7bbdf108b2e95869c6bf84c881ed8afaa1e87f547c7baacc12685b39aa

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
SignaturemPWgs8nkSw4M7PaMK71gIqbf/llKkXPV18NGkB5V0OP3zXtFXxGemHgxZA25CU2i4u4GskFkds0h8KUIwz5ZAg==
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

2026-09-17T11:34:51.675805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031744
observed 111ec75644d289da264157a443165521...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.659005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031744/manifest.json
observed 22284d7bbdf108b2e95869c6bf84c881...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.641842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031744/publication.md
observed fdb08f0c0ab734c1cab38655c6efa250...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:51.622169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031744/publication.txt
observed 61412efdd5c0a1908bafb4e5b3c799b6...
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.