OpenTechnical

OT-2026-000032904

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, 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-2026-000032904) never changes.

Identity and time

Publication numberOT-2026-000032904 · never reused
Internal UUID01a0ae75-4842-7141-9667-9a882b2839d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:57.065765Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032904
StatusPUBLIC

Content hashes

Canonical textd203ea7ec499ac9ae3035e63664bd00450b6edc8d37f383b8475f2ac7c87806c
Markdown0092d42c9c09bd0b6c06be7b60d76b629bc1f83cc6da9d96fe360d64e3f40e55
PDF
Publication pagec644dc6011425ee60b40cb089eb7f6b8065d74ed416593523763296cf426ad0f
Manifest0207890599f95005001ed9fdf4d3220f8a8aa7f540c870c9ea1db908088c35de

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
SignatureM+NoCl4GXXmaaDjAY7P/AMM9RbvSS/KIE6S2pIBxb1bu/VAxLCNxoZslKV9z6S/xtRr9ZuWMSuw2WJHUK1NZDw==
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

2026-09-17T11:32:29.592186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032904
observed c644dc6011425ee60b40cb089eb7f6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.577337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032904/manifest.json
observed 0207890599f95005001ed9fdf4d3220f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.558073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032904/publication.md
observed 0092d42c9c09bd0b6c06be7b60d76b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:32:29.535238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032904/publication.txt
observed d203ea7ec499ac9ae3035e63664bd004...
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.