OpenTechnical

OT-2026-000032600

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000032600) never changes.

Identity and time

Publication numberOT-2026-000032600 · never reused
Internal UUID01a0ae75-1070-71bc-8818-67687a438ffb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032600
StatusPUBLIC

Content hashes

Canonical text8416cb025b0067035e50eb8d337ca96686286234d2c24397c21eb44a225e151a
Markdownbbc1192eb4af2e751da0abc13c9343d75b071db44beb5067c64a2c83c8930f65
PDF
Publication page14e5b493e0bc68afce84c2f4e7b00c4428d01d0276785c8fd1fb7e488f70f65c
Manifeste94111c8b774322afbfeef00b179d75076ab422d9a1821e3e21862bb0f1ad217

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
SignatureGlPTd7JqNvGquUMIrFfDpZ3Gz5Ae5zHVUjTFBx7tTs4aF0Ij2S7XVsoaJN7F88yE5sGP/f5HQrDm6yJ9a+E9BA==
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

2026-09-17T11:34:10.857403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032600
observed 14e5b493e0bc68afce84c2f4e7b00c44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.842199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032600/manifest.json
observed e94111c8b774322afbfeef00b179d750...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.826462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032600/publication.md
observed bbc1192eb4af2e751da0abc13c9343d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.811105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032600/publication.txt
observed 8416cb025b0067035e50eb8d337ca966...
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.