OpenTechnical

OT-2026-000057650

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000057650) never changes.

Identity and time

Publication numberOT-2026-000057650 · never reused
Internal UUID01a0ae88-2694-7dc1-a88b-5d6be88f2d67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057650
StatusPUBLIC

Content hashes

Canonical text4be1991b381ee72bbb6cd37b682e66c65272c437b52d8fd1e33ad0977e865e4a
Markdown20a0ced03b4d3cb373379d399f19228ef361da197b7060d2ed0533b99a4e8903
PDF
Publication page0d7506805f64458e1cdb5d7382e058152ee314fbaf21e1e4cf2f846c835eca4b
Manifestcf220720a52929684acced35d16cce1a0e4ff1ee321391a8b4bcfbf7a7bed9ae

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
SignatureVHDFSTzn8/H61rYuZVThYmNzwevYV3lNEdR83EWTomXxUVbPKkl/zetMIxeHcEqiXaXYuJ68mRwitWldrMqUCA==
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

2026-09-17T10:48:12.993777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057650
observed 0d7506805f64458e1cdb5d7382e05815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.976639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057650/manifest.json
observed cf220720a52929684acced35d16cce1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.956248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057650/publication.md
observed 20a0ced03b4d3cb373379d399f19228e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:12.937410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057650/publication.txt
observed 4be1991b381ee72bbb6cd37b682e66c6...
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.