OpenTechnical

OT-2026-000043958

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, sustained blow-off after 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-2026-000043958) never changes.

Identity and time

Publication numberOT-2026-000043958 · never reused
Internal UUID01a0ae7b-d678-7919-9708-0827baae658b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043958
StatusPUBLIC

Content hashes

Canonical text6b70c0b7cf185afb5fe24551356297762d262b1db9d558a84a66be42b01f8ab0
Markdown04e0f7aa21051334bb2db5f6fc851e5ecddb0911f12ea950e23b234ab6e7ae54
PDF
Publication page9fc84c611b9b0894aed21cea96f5a60d050f45860bd05f7b6d58fdf96331adcd
Manifest7746cf14f00ed9230a775ef17da5108c7cd2f59715403634deb82d2cd3155d68

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
SignatureEOHbNXkQ7SBUwus2Xg7vawpald7XbKL23M9WJhc3Kv2q00zSDPXhyU6wve0YRo0Lp9X2djTpsKsei5ljR38sDQ==
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

2026-09-17T11:12:18.908088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043958
observed 9fc84c611b9b0894aed21cea96f5a60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.888794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043958/manifest.json
observed 7746cf14f00ed9230a775ef17da5108c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.869618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043958/publication.md
observed 04e0f7aa21051334bb2db5f6fc851e5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:18.852527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043958/publication.txt
observed 6b70c0b7cf185afb5fe2455135629776...
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.