OpenTechnical

OT-2026-000017638

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000017638) never changes.

Identity and time

Publication numberOT-2026-000017638 · never reused
Internal UUID01a0ae6e-96f9-7155-92a6-4a56ea9232d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017638
StatusPUBLIC

Content hashes

Canonical text0306caa2ac42ef2071a777b1c3b1b6b4bea3d4e2ef12be1d18be1620f48b1fd1
Markdown7ccf01d78a47134ae0673139d423743d8a9e0aea073694d10652ec377b848c94
PDF
Publication pagefd865ea7439fd4480ec3baf0eda0d1e46e67ff310f553d4907a166882297d861
Manifestf4d696d61fbc38949ce66d902bac4ef6be03fa7466df05d316cc682cdc49e6e7

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
Signaturev86GdnRdu9eKXgeSf5t0paIy6jy9PxuMskPvb/fzi41if9mHLjoPIn99FvhcxOefiIL7gAdPjR+8BBde4GoGBA==
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

2026-09-17T12:01:27.147259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017638
observed fd865ea7439fd4480ec3baf0eda0d1e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.130132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017638/manifest.json
observed f4d696d61fbc38949ce66d902bac4ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.113114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017638/publication.md
observed 7ccf01d78a47134ae0673139d423743d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:27.094836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017638/publication.txt
observed 0306caa2ac42ef2071a777b1c3b1b6b4...
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.