OpenTechnical

OT-2026-000103846

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pulsed blow-off 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-2026-000103846) never changes.

Identity and time

Publication numberOT-2026-000103846 · never reused
Internal UUID01a0aea5-15e6-735f-bfcd-2124197e5298 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103846
StatusPUBLIC

Content hashes

Canonical textc7d03ba119725892d5ee131bd61389438ea8e685802b9b6297ba583fc82c87b9
Markdown93a2da2ad32add52c8ab817080c8fcf4ead9805443d93ae0f5ff5e312746f1a6
PDF
Publication pageb928856ee988b2e355482f01dd555c714b8470f040721fcc41564758befd6e4f
Manifest09ea137d9ee273e6cc266d3dcbafbf114c16da359a3c56dedea1d84259fc036f

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
Signaturejve4H7iCDsK6ay0ZwB9J8NcynbGyxYkNBE5ZEJ+mjUthFdS1pPlH6CHJMA8IXAJYd5gaPwWuPQB/N3bd1TpvBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:21:49.512669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103846
observed b928856ee988b2e355482f01dd555c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.495714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103846/manifest.json
observed 09ea137d9ee273e6cc266d3dcbafbf11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.477727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103846/publication.md
observed 93a2da2ad32add52c8ab817080c8fcf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:49.458268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103846/publication.txt
observed c7d03ba119725892d5ee131bd6138943...
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.