OpenTechnical

OT-2026-000038488

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, sustained 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-2026-000038488) never changes.

Identity and time

Publication numberOT-2026-000038488 · never reused
Internal UUID01a0ae78-2d53-75bc-acf3-d61d46e7b470 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038488
StatusPUBLIC

Content hashes

Canonical textb6316fe28f02570c1c8bc33345764a8b0e31ee45d98d576215967b0cf5613067
Markdown39765149f8a48cb2f75e188e5b6b4a472ed3534413547a3a221fd7c44d43380b
PDF
Publication page742d1f02292d875eab07ad36a0ff2a4fb62b8868eb412fe52a5e4a01e3de1c11
Manifest7ee0eebf67b3a228652da5c3fe0c127eba5c2e4cdaf0c0fb944451f115c955d8

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
Signature5sRNytXLaOsECXp3ZA5xRZRatR08viONN5j6mekPvYQaPMJRZ67z9xQzDaAFRb23XuJMHbMlfjmQ7W4g2rVRDw==
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

2026-09-17T11:22:43.776358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038488
observed 742d1f02292d875eab07ad36a0ff2a4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.754624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038488/manifest.json
observed 7ee0eebf67b3a228652da5c3fe0c127e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.732383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038488/publication.md
observed 39765149f8a48cb2f75e188e5b6b4a47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:43.692626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038488/publication.txt
observed b6316fe28f02570c1c8bc33345764a8b...
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.