OpenTechnical

OT-2026-000083434

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000083434) never changes.

Identity and time

Publication numberOT-2026-000083434 · never reused
Internal UUID01a0ae97-c964-74db-80c3-6e9bab85d9c4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083434
StatusPUBLIC

Content hashes

Canonical texta387f585385e0f83a160cb54691fafe5d7ab07f940fa0711fceb93f6eb8c76ce
Markdown0e33c4497b31f0c0cbf780787724963b42597bbf0946f5c558db1c37a7dc4865
PDF
Publication page3dc9a43d5a227b69327c6496c740283613bfdd2d09e3b32282a781c2ad0045a6
Manifest84a3621174dcde020c44f7ba15f283a8d32d42f430bead8ef8f9078f80a190be

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
Signature9UZ4/nhSFBjlyROBEREsGBEA7nG1El7AqLGB57RkFgUUoiX8DJZGk67GUoSc6/bz4+x1wwXYPOSl24+CipDPDw==
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

2026-09-17T09:57:51.080391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083434
observed 3dc9a43d5a227b69327c6496c7402836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.063855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083434/manifest.json
observed 84a3621174dcde020c44f7ba15f283a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.048598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083434/publication.md
observed 0e33c4497b31f0c0cbf780787724963b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.031979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083434/publication.txt
observed a387f585385e0f83a160cb54691fafe5...
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.