OpenTechnical

OT-2026-000055730

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, vented 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-2026-000055730) never changes.

Identity and time

Publication numberOT-2026-000055730 · never reused
Internal UUID01a0ae87-09ca-75b1-8078-2ed6f86200ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:20.734835Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055730
StatusPUBLIC

Content hashes

Canonical texte5ef4cd9bbe1f87c5dc57db5e02233f4956d0227334b56126d87d8b3db9353f4
Markdownff5043780ed30273f5556db03da74f13f7339db1c61e5eb10ead6d3bf6e7992b
PDF
Publication pageaca943c58e87fdcbf7f93df4706e1088b6c3415a7eacfc6e5c2328b26ebf97b8
Manifest8838f2c776f439016fcfdd4f0cec5be001d98b203a9c4746d2b0249c9d48f3a2

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
Signature/PU0uUQBe5+yeb/bb9+IcWkWGx8DqUW2D1YGmOQpHoN+oSJvUIMqL3HWdgEVM2RyOMpUjkxHDis4VR4cNYj0Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:51:04.321948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055730
observed aca943c58e87fdcbf7f93df4706e1088...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:04.305148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055730/manifest.json
observed 8838f2c776f439016fcfdd4f0cec5be0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:04.288236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055730/publication.md
observed ff5043780ed30273f5556db03da74f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:04.270134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055730/publication.txt
observed e5ef4cd9bbe1f87c5dc57db5e02233f4...
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.