OpenTechnical

OT-2026-000023694

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained blow-off before 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-2026-000023694) never changes.

Identity and time

Publication numberOT-2026-000023694 · never reused
Internal UUID01a0ae70-aed4-7e4f-b929-e633e6e835a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023694
StatusPUBLIC

Content hashes

Canonical textb921702402779b3773e11d50cf22ed8c2dd349043d62ba8ae4ea537f090c3998
Markdown684c1d5ed649f7d0b1ffbc8b73f9927327e4acaee444543223f1489be79d079c
PDF
Publication pagecea23f549da73140bc50dc142897a1c30c8edcc5c0aa35a1d6512e54c73c3df5
Manifest148deac35acb46561885a51a5d8cc28f1584e5786ec975d30485ca0b6a3297fd

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
SignatureILC6dfetxvCdhdInTi15vP2Z1JqC5DINXX4NF509qnwufG73gZ1SKgwxAfkXQk+gb00u/zutQNfj7de8Io7PBg==
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

2026-09-17T11:50:01.427609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023694
observed cea23f549da73140bc50dc142897a1c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.405610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023694/manifest.json
observed 148deac35acb46561885a51a5d8cc28f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.383037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023694/publication.md
observed 684c1d5ed649f7d0b1ffbc8b73f99273...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.354893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023694/publication.txt
observed b921702402779b3773e11d50cf22ed8c...
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.