OpenTechnical

OT-2026-000025311

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, pump fed, pulsed blow-off 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-2026-000025311) never changes.

Identity and time

Publication numberOT-2026-000025311 · never reused
Internal UUID01a0ae71-5fa6-7c83-af57-09dbcece750d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025311
StatusPUBLIC

Content hashes

Canonical textbdcd3a74e739312163d1e5ba9a8bfc285e3436411d909967477e4cfc4d8e9bc3
Markdown03cc812c36f1d29990f57a7b81bb8b74afdc5a474066ee68de3025c7230b340b
PDF
Publication page72a42eb84b2d61e3908dd37303a2541b104ddb7c975f5c09d5b3d52f19633d9a
Manifeste516530c29cf6fbe866211fe2c5b5319fa630deda2f61d3d95d2b5f5b02e0c48

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
Signaturejkwozfdn4Y+0y8rZ0Vgj8MiSNb9JpxiYFTCfeEJtREpve3PubhBQ3nP1yFbyKWq3+oAyk+L+XMotrxsv3EvQCg==
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

2026-09-17T11:47:19.859707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025311
observed 72a42eb84b2d61e3908dd37303a2541b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.843002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025311/manifest.json
observed e516530c29cf6fbe866211fe2c5b5319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.825304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025311/publication.md
observed 03cc812c36f1d29990f57a7b81bb8b74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:19.803535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025311/publication.txt
observed bdcd3a74e739312163d1e5ba9a8bfc28...
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.