OpenTechnical

OT-2026-000015415

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000015415) never changes.

Identity and time

Publication numberOT-2026-000015415 · never reused
Internal UUID01a0ae6d-ef49-710d-b3c5-675e46bb88d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015415
StatusPUBLIC

Content hashes

Canonical text07ddd821bb66d53b0808b35cd79258cdce325ba995aa68ae12fd8d09121bbdee
Markdown411ba432d9259b07b2843029739b5c0b100924b9bbb588444b71a347d5d7d2be
PDF
Publication page61198c5cc35000b66186bcd8065402724cf17ace1739098af44df3878dbba829
Manifest2280b0e4a0d881807c35efceda6c9e6f3caa4590570af49f4021b6d069c55ec9

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
Signature5+1k617qrZy5zEnNlwl3LsvHVpCW7dHZTjksGjCJSDQ90LvHavU/idgFf3csW0zw6LPs6Ge5rMXgQXYxXQx/Aw==
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

2026-09-17T12:06:08.740660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015415
observed 61198c5cc35000b66186bcd806540272...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.719901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015415/manifest.json
observed 2280b0e4a0d881807c35efceda6c9e6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.700879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015415/publication.md
observed 411ba432d9259b07b2843029739b5c0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:08.682064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015415/publication.txt
observed 07ddd821bb66d53b0808b35cd79258cd...
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.