OpenTechnical

OT-2026-000026497

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000026497) never changes.

Identity and time

Publication numberOT-2026-000026497 · never reused
Internal UUID01a0ae71-f4a8-7aae-ad72-f6d0d26d0af7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026497
StatusPUBLIC

Content hashes

Canonical text8e3b94ead6011fbfc5202632f8b7c13127e6139c949ea372a370a83c3013de74
Markdown1ab8190a1b536e059f994213476941312832f2565761ba0f2f44fb30ebe933ec
PDF
Publication pagef613008e78da08ee7cf34f108b0f40031d9cd538226adbe9bdd0f48eb8b88b97
Manifest3c152b0c729022ab7dc547d5bcca38105d94bf19ce030896e461f0110a4f568b

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
Signature1Qm5uZNZX5f63etXduMfDfTEeiYZ5iZzHQWORnqpBTbohh6MVd/J4MPREQNGx4iJdhkCxZHgyBH7sC7qz826Dw==
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

2026-09-17T11:44:37.642945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026497
observed f613008e78da08ee7cf34f108b0f4003...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.623647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026497/manifest.json
observed 3c152b0c729022ab7dc547d5bcca3810...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.606821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026497/publication.md
observed 1ab8190a1b536e059f99421347694131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:37.589183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026497/publication.txt
observed 8e3b94ead6011fbfc5202632f8b7c131...
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.