OpenTechnical

OT-2026-000086505

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, sustained 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-2026-000086505) never changes.

Identity and time

Publication numberOT-2026-000086505 · never reused
Internal UUID01a0ae9a-2c97-7781-84cb-95dd54bcf883 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086505
StatusPUBLIC

Content hashes

Canonical texte4b9140ea11dad8dceb43daf3fd64ff9f12a7fc8273c62f72f9e70d4b66f9d08
Markdown06702296fe5d1b87fd851158e6cddbd0aa3a5f9c577cae8fdc92a3a44fa10130
PDF
Publication pageca9c47f3d82540fe4181d157be318b30a330aef4e2ae5f44561d74c6d21e56a5
Manifest086278b8b6f2ab1d2c7d4288750789a50148302726bbe0c959a529b682b86c61

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
SignatureiY864jdPHGck4C4FcgeidJIDnMGsaiqX7EFj0lkgsIf6HuAE3ivng0qw/FeIKE7qORNXTVdU8+WNWjcV1QKBDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:52:19.432974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086505
observed ca9c47f3d82540fe4181d157be318b30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.415335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086505/manifest.json
observed 086278b8b6f2ab1d2c7d4288750789a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.398772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086505/publication.md
observed 06702296fe5d1b87fd851158e6cddbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:19.382116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086505/publication.txt
observed e4b9140ea11dad8dceb43daf3fd64ff9...
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.