OpenTechnical

OT-2026-000067142

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, vented after 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-2026-000067142) never changes.

Identity and time

Publication numberOT-2026-000067142 · never reused
Internal UUID01a0ae8f-14ff-73d3-b13a-19e27936de1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067142
StatusPUBLIC

Content hashes

Canonical text0cce85712a60a8766d92f792351abc769d78c5d277143a9c6878f5decbe65347
Markdown8e3004e872cbb553b2112b748da9ff18ae9b5716321de6b674f1efec807c6231
PDF
Publication page21c6683a8a9532ff2de17608aefd78b1d1f89020371ca75a3c30b4b0ae9e2468
Manifest4613ab0466e9f8d0420ef41dc234b58328a1916bc6fea20ccdf5b1843bbe7515

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
SignatureIfYebC2UA7iDIfp5O+AIvs4TS3cLXwnA9QbJlHOThB7/WjdhFPdSCPk+xpddGRIA7xTqmo90xXVuuHXBCJsrCw==
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

2026-09-17T10:32:25.159471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067142
observed 21c6683a8a9532ff2de17608aefd78b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.138968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067142/manifest.json
observed 4613ab0466e9f8d0420ef41dc234b583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.120623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067142/publication.md
observed 8e3004e872cbb553b2112b748da9ff18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:25.102212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067142/publication.txt
observed 0cce85712a60a8766d92f792351abc76...
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.