OpenTechnical

OT-2026-000037187

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000037187) never changes.

Identity and time

Publication numberOT-2026-000037187 · never reused
Internal UUID01a0ae77-7741-74bd-bc0d-809ad04b4213 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:20.049316Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037187
StatusPUBLIC

Content hashes

Canonical text0921bca1cb56a8224368aeb3e07c643b6f15151193f84cfd5b02faa6965c513f
Markdown4d6b47922b00895e5e16891bf471e9266998c46b845ff53d6c06ca4618ee500b
PDF
Publication page489f105c069b9799923ce63e7c70c26cfe7eefc0ffdf33d4ea299dbaed497967
Manifest7d27ba27cbaf21cbb086e0edeb33d13c361dee7bbd476bfa302c41ce34c79b2f

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
Signature+c1ZgCPG2KISQQv7ewS/uwD6p+VgkWyUSU2v0Qdf98sS9mznZp26E/kivvlABOxWAed3sFpLqeQiFLMjsn5vDQ==
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

2026-09-17T11:25:04.356845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037187
observed 489f105c069b9799923ce63e7c70c26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.340139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037187/manifest.json
observed 7d27ba27cbaf21cbb086e0edeb33d13c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.324109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037187/publication.md
observed 4d6b47922b00895e5e16891bf471e926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:25:04.304916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037187/publication.txt
observed 0921bca1cb56a8224368aeb3e07c643b...
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.