OpenTechnical

OT-2026-000052229

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, vented before 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-2026-000052229) never changes.

Identity and time

Publication numberOT-2026-000052229 · never reused
Internal UUID01a0ae83-e790-740f-ab8a-1c0b31559761 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052229
StatusPUBLIC

Content hashes

Canonical texte6ba61016bec9d0a75837a035688ea8f52cf31bd0a788002f8d32e87fba85360
Markdown5a76ae3a7ec4aa432bbdb8d874a49cfbab5ef07208716aacf7d7cebbc81d1f88
PDF
Publication page7b132a2496fc1b297bee4c8c942c3acc96461d61baec109ca91de8b637e21b27
Manifeste9600855734f61939888bb03409841fa0f2d48e5020e1be5cdbb748a5d664796

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
Signaturezz+HFr4r7WPEidhahhAGe+nu5vvmTovSVYB29liFfZIHYy2K739mZYHclTPOEydbUMcYoLCszVvSuEoSC22WBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:48.221781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052229
observed 7b132a2496fc1b297bee4c8c942c3acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.201686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052229/manifest.json
observed e9600855734f61939888bb03409841fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.181558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052229/publication.md
observed 5a76ae3a7ec4aa432bbdb8d874a49cfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:48.163825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052229/publication.txt
observed e6ba61016bec9d0a75837a035688ea8f...
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.