OpenTechnical

OT-2026-000025388

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000025388) never changes.

Identity and time

Publication numberOT-2026-000025388 · never reused
Internal UUID01a0ae71-5fa7-7a46-add3-b855bb51973a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025388
StatusPUBLIC

Content hashes

Canonical text7da375920d54a26e0ba0f537fa344b799ecba5acf9ed90dd8bfb2197ef4720ab
Markdowncfc17505f38ba387979ca0bc3d1454653258e038823c5d5af0a5eff38522fff7
PDF
Publication page1cfbdb27014b917e504d42baf669ad7e74e05b5a9219a4ac63496a87604aaa3b
Manifestf4f5e8f8a07606480dbc6dba0cddbb31581909ac632a0b2d86e0a3b3fb35388a

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
SignatureEDAcpejMQ3KfQJCPrJ6AIK78kSKWxc4tmZRxUimIQoRVSK9C8J9vx5XgbcMm3hsZsTCdt4ulrpmIFZ7w6hZKAw==
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

2026-09-17T11:47:27.371543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025388
observed 1cfbdb27014b917e504d42baf669ad7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.356005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025388/manifest.json
observed f4f5e8f8a07606480dbc6dba0cddbb31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.340176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025388/publication.md
observed cfc17505f38ba387979ca0bc3d145465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:27.322557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025388/publication.txt
observed 7da375920d54a26e0ba0f537fa344b79...
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.