OpenTechnical

OT-2026-000042622

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, 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-2026-000042622) never changes.

Identity and time

Publication numberOT-2026-000042622 · never reused
Internal UUID01a0ae7a-c0ce-7cbd-828f-ad95944136ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042622
StatusPUBLIC

Content hashes

Canonical text5e74fd1353eaf471d5be3e8b43d88406a3b225a4d8d1edf593bbfbef919e4b95
Markdown9b0e1b7f2acd2c7eab0af8a10fac2009aed4b688c33c001ba7ec28faa6d2d9cc
PDF
Publication page154073decdf2167c950f5f188d5c0191ce840f4166feb8c192843a17f783ec23
Manifest8a30daa14e06f3021e78933694bc5286a23cece0954b8e1e7073441db9859732

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
SignatureNijtaL3zmRrv5yRO3IpR8w3VmQG9EIF1eAW5/9zHTCy3U1CJ8V1WNBYDptOdkDPCTyX4azztxAvuNPqcByX0Bw==
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

2026-09-17T11:14:21.212715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042622
observed 154073decdf2167c950f5f188d5c0191...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.193840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042622/manifest.json
observed 8a30daa14e06f3021e78933694bc5286...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.176400ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042622/publication.md
observed 9b0e1b7f2acd2c7eab0af8a10fac2009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:14:21.155836ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042622/publication.txt
observed 5e74fd1353eaf471d5be3e8b43d88406...
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.