OpenTechnical

OT-2026-000039257

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000039257) never changes.

Identity and time

Publication numberOT-2026-000039257 · never reused
Internal UUID01a0ae78-9674-7beb-a562-1fd03ef8540e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039257
StatusPUBLIC

Content hashes

Canonical texte83ece823bd0b57eaa5e88c71e6da7ca793a7d64cdc8b75e0460c6211dadba42
Markdown830e6ba80704cce860e5837d534b04c418421d4efd7d0bf1dedff6911745499f
PDF
Publication pagedba60a1b75c839a460d009b98b87ec137dff6fdbc403772e7b86bd4a5f0f7c9c
Manifest748b60eafe280291f5fbd766ba81bc48d19cf9a16da49a7400e3cc9f80122b01

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
Signatureje+FCkhPJJLwU80nlgHFldFwb2aJxNTcOj/Nf23jpkVHewm+4oy1wcZfYqw3GOz/XqfaNvbHZDmVmsA+1mabCQ==
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

2026-09-17T11:20:49.181682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039257
observed dba60a1b75c839a460d009b98b87ec13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.163907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039257/manifest.json
observed 748b60eafe280291f5fbd766ba81bc48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.146932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039257/publication.md
observed 830e6ba80704cce860e5837d534b04c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:49.128788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039257/publication.txt
observed e83ece823bd0b57eaa5e88c71e6da7ca...
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.