OpenTechnical

OT-2026-000074122

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two 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-2026-000074122) never changes.

Identity and time

Publication numberOT-2026-000074122 · never reused
Internal UUID01a0ae93-7177-7d9b-9df2-93d1a385840f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074122
StatusPUBLIC

Content hashes

Canonical texte68fe9cb621b668d64495ec4bb6089c2bec3cc45f972f35dd5eb1879215e7dab
Markdown2a9213636b07585305337cb0ab46d4c257a97dd41b61dd0f45fe6de215ec86d2
PDF
Publication page68f7aedcb1a7710ce669cc5deb2941c8ac5c6f7fc24a6bbf7b9d6ce9ee25fa0d
Manifestcbc4559072b1dfe6f9967e391cfd865a465d3d504d0e5fa6375d6f9199968b77

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
Signature15ZoD+r+tw+ToNwlW9hO0WjeTJV2tm1jgo5w4BUVTFDogLDxK6LCnzKRrNCL8rBSKvfkd8hr4nn4/ajJgbv/Bw==
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

2026-09-17T10:18:56.598815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074122
observed 68f7aedcb1a7710ce669cc5deb2941c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.580366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074122/manifest.json
observed cbc4559072b1dfe6f9967e391cfd865a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.561940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074122/publication.md
observed 2a9213636b07585305337cb0ab46d4c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:56.544481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074122/publication.txt
observed e68fe9cb621b668d64495ec4bb6089c2...
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.