OpenTechnical

OT-2026-000058375

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000058375) never changes.

Identity and time

Publication numberOT-2026-000058375 · never reused
Internal UUID01a0ae88-f399-78b1-a8ab-a091c4e9753a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058375
StatusPUBLIC

Content hashes

Canonical text867116a155831f08056ab5fea2737d3173da6258ce88057ad66fa7b30a320fc7
Markdown3f5bae7d2c15dad5836b353dd2fe8d0c55593480982dde8b695bb8ab61bd6982
PDF
Publication pagebbdc44234e426897d2d2066b2915d082b5ae0e76826963c4f83b59194cfd7310
Manifest9d2c6221769163f13b75d1e6cbc3740a8c60f98f39e686eaeb7bb28e69778ad4

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
SignaturehgEwMItRZ+1MKPu/HEHX2Yql3RHxYmCdE0Myj+pKUKDj7gMnjfxh42FX6SrB53GMRuo1iy0iGtvVb3YFhttnAw==
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...

Independent retrieval

2026-09-17T10:46:47.831313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058375
observed bbdc44234e426897d2d2066b2915d082...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:47.812064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058375/manifest.json
observed 9d2c6221769163f13b75d1e6cbc3740a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:47.795017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058375/publication.md
observed 3f5bae7d2c15dad5836b353dd2fe8d0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:47.775198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058375/publication.txt
observed 867116a155831f08056ab5fea2737d31...
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.