OpenTechnical

OT-2026-000053001

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000053001) never changes.

Identity and time

Publication numberOT-2026-000053001 · never reused
Internal UUID01a0ae84-a430-7f3f-b608-4d838a123530 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053001
StatusPUBLIC

Content hashes

Canonical texte222dc899cd8cdd6878a7ca0344cbb76680cd4d292875bc48b6e35bc8da67adc
Markdown0245f6910052c8136dfedc1c3b028aecfe415e91e084f98c906753304b8f58d3
PDF
Publication page6d48b4859e82e21acbe9f8f0fcb700c79b539910ab8422fdf1c0427064a7c015
Manifestef5fea4e92a2049253aab5c014540567f09695a382b67043168aa89f9c3f595f

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
SignaturetNkUJ5uGTgONe3xTg+IkbkzS5LBVQLeanTDtzq0e/pWR4nEw1O+grZP4j3/cnR6Q3BOeLCJBm08bnMGiVCbaBw==
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

2026-09-17T10:56:41.834888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053001
observed 6d48b4859e82e21acbe9f8f0fcb700c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.816486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053001/manifest.json
observed ef5fea4e92a2049253aab5c014540567...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.795276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053001/publication.md
observed 0245f6910052c8136dfedc1c3b028aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:41.776259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053001/publication.txt
observed e222dc899cd8cdd6878a7ca0344cbb76...
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.