OpenTechnical

OT-2026-000025453

Publication integrity record

Six cup vacuum gripper, six outlet manifold, 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-2026-000025453) never changes.

Identity and time

Publication numberOT-2026-000025453 · never reused
Internal UUID01a0ae71-5fa8-7a28-9832-cba5cedb2549 · 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-2026-000025453
StatusPUBLIC

Content hashes

Canonical text0e2edc2ce74581db0011dbcd525dc203c1edc6aa25227582dd1276dd067233fb
Markdown1ba2d38b3a19ce48ac8fa749f42ac110c2fa6b2aaf50feabfc1a1a73db1455b2
PDF
Publication pagef1607d4a194bc2d7925d03ed1c7f4883f7b205e9f650bdcdf2e6850cef353a27
Manifestcaf0b4a0a4f2af6c5282a8cac55ee4a8bcf81372c7c0bb835de54069b4c99892

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
Signature7vJzKm0SZV6wuJKmJga3LJHpMgsORn1gm6T3YHB8Xw6Re+B2PT/WAU41PAyJRoSGZfUN2Fxjv4tG9PJbmEvqAg==
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

2026-09-17T11:47:32.194991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025453
observed f1607d4a194bc2d7925d03ed1c7f4883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.176782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025453/manifest.json
observed caf0b4a0a4f2af6c5282a8cac55ee4a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.158033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025453/publication.md
observed 1ba2d38b3a19ce48ac8fa749f42ac110...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:32.140822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025453/publication.txt
observed 0e2edc2ce74581db0011dbcd525dc203...
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.