OpenTechnical

OT-2026-000071937

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three 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-2026-000071937) never changes.

Identity and time

Publication numberOT-2026-000071937 · never reused
Internal UUID01a0ae92-47c0-74fa-8880-2ec54476bf10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:37.365346Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071937
StatusPUBLIC

Content hashes

Canonical textb002e38a5cf92e267955ed7b867c4415d17930dd703ef572e1030bd4bb2ed1f2
Markdown4f62a1e07a11c748b340e8bed5053584867407719217f68a2e784a7537ed4516
PDF
Publication page391bf4dcede7f65476d2ec9532fd85c02e8e23be6571409ba3c14a94c90c0376
Manifest4851a76a71613f0306da42395a44c65619209e6f3786a73c18755863d76f64c5

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
SignatureUWtYHVI/+eA40WO25XK/r5TIUEGGDVgylV4LDGy04V0OFb7P8yNFR1bqn5rHHtch4pyJnxzq3z4XrtIZH/ReBw==
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

2026-09-17T10:22:58.156274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071937
observed 391bf4dcede7f65476d2ec9532fd85c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.140056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071937/manifest.json
observed 4851a76a71613f0306da42395a44c656...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.123151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071937/publication.md
observed 4f62a1e07a11c748b340e8bed5053584...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:58.104017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071937/publication.txt
observed b002e38a5cf92e267955ed7b867c4415...
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.