OpenTechnical

OT-2026-000011504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000011504) never changes.

Identity and time

Publication numberOT-2026-000011504 · never reused
Internal UUID01a0ae6c-88ff-7c75-bfc4-0213de91e22f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011504
StatusPUBLIC

Content hashes

Canonical textbe7eba5ae9e29bc0054fbca8be5bf6a218ea3d98adfdb39539784963277ee660
Markdown2c39ecc0e5f113fbd887a30c32f9029e54a83cfb479e3c2e552660bb585e7433
PDF
Publication page57cc5ce6a51db744b6dd00503be85a84717f73bbca1c40fa148e30b68e35cf2d
Manifest974db0da44f5a178c19cd7bcd0ae170af0d78b68f67991a08e4c736fc40d58af

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
SignatureVP+tB9EN3CMHv7LmD76gSf7+fpEecSXzT/TVlSWYPFLLSHjBuTqXzCe8hhpfSEwZH0Qn5BkcHuj6BcdhyCm1CA==
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

2026-09-17T12:13:17.063725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011504
observed 57cc5ce6a51db744b6dd00503be85a84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.044596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011504/manifest.json
observed 974db0da44f5a178c19cd7bcd0ae170a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.027173ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011504/publication.md
observed 2c39ecc0e5f113fbd887a30c32f9029e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:17.008186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011504/publication.txt
observed be7eba5ae9e29bc0054fbca8be5bf6a2...
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.