OpenTechnical

OT-2026-000043226

Publication integrity record

Foam pad vacuum gripper, pump 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-2026-000043226) never changes.

Identity and time

Publication numberOT-2026-000043226 · never reused
Internal UUID01a0ae7b-327c-7a67-83e4-41dfd0348f14 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043226
StatusPUBLIC

Content hashes

Canonical textb6238f3536aa66fd3ff436e3dab37bf1bbcdde260f79750211758350f1c22b2f
Markdown2500c76023577df188332719a827c314f3f3bc655a04a5de9b86146b59070f53
PDF
Publication pageaaf4316576f85336dc6e96bd51b9045abb13a92081228d186f0d29824bad11ef
Manifesta01191c243a7f1781ce61d94e5243eb35b91a37a0daf5e9948be75b71bdcd63a

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
SignatureZDzCZVOKiuyuN04zOd965w0h/qIOEbcyDk19JvTJsPEnjoeAcur0qvwSyGIdJVD9HWEs/l77Ayyp9vABK1krCg==
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

2026-09-17T11:13:41.738957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043226
observed aaf4316576f85336dc6e96bd51b9045a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.719966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043226/manifest.json
observed a01191c243a7f1781ce61d94e5243eb3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.702441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043226/publication.md
observed 2500c76023577df188332719a827c314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:41.683266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043226/publication.txt
observed b6238f3536aa66fd3ff436e3dab37bf1...
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.