OpenTechnical

OT-2026-000102491

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single 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-2026-000102491) never changes.

Identity and time

Publication numberOT-2026-000102491 · never reused
Internal UUID01a0aea4-858a-773c-9373-f78aea86c962 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102491
StatusPUBLIC

Content hashes

Canonical text27d55f08a086988d74ff87fe3993b85f651b5f4812ee56326a16eca8a2559e17
Markdown4191d5bedd23c7203298a0e9de3c83c6a741ccad540a693e083e9131a9b16ab4
PDF
Publication page2e5f7b4bd95d462e53934bcbeb198fa1234ad55fd7ef64ce2de423a54f51765b
Manifestc701d5ab1800e339b95d87db536a658e8142b802f65bc3d64b8e36898928b952

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
SignatureCPeu8PdymrXsQXhE6/dJzJR9zge5jQs7JMSSC2VgaJY/bqdztWDfwJ/11mXrGgt34av46pWZH3gc9hryLi37CA==
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

2026-09-17T09:23:50.747106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102491
observed 2e5f7b4bd95d462e53934bcbeb198fa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.728517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102491/manifest.json
observed c701d5ab1800e339b95d87db536a658e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.708189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102491/publication.md
observed 4191d5bedd23c7203298a0e9de3c83c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.689838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102491/publication.txt
observed 27d55f08a086988d74ff87fe3993b85f...
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.