OpenTechnical

OT-2026-000074062

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000074062) never changes.

Identity and time

Publication numberOT-2026-000074062 · never reused
Internal UUID01a0ae93-2b8f-7acc-9b29-46e876034fe9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:35.679268Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074062
StatusPUBLIC

Content hashes

Canonical texte96af700752cd0f842dfebc7769a5094768ad0b3779a2a81772cdc1135247b0c
Markdown1a20c5dff285ef6870ff4f6ebfa1eb638805017f4fa964e6862d16c39af98c69
PDF
Publication paged89a5e55d641accd8c998b2b08383ff327406c7410c29c7c559e1187f220ff3a
Manifest96c1da2f820b043330ffe978dc512ac6489496b4963aef72a160c1d5dfef7299

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
SignatureD09aCo68Lw/O7SbHtKnbxncYwc5exy42iF0Uh8b4+C5/RtjqTSrkGktsLTWrqost5l4WcVYfaNUIsE6HBVHEAw==
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

2026-09-17T10:20:23.476573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074062
observed d89a5e55d641accd8c998b2b08383ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.454418ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074062/manifest.json
observed 96c1da2f820b043330ffe978dc512ac6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.431207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074062/publication.md
observed 1a20c5dff285ef6870ff4f6ebfa1eb63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:23.414759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074062/publication.txt
observed e96af700752cd0f842dfebc7769a5094...
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.