OpenTechnical

OT-2026-000026982

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, sustained 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-2026-000026982) never changes.

Identity and time

Publication numberOT-2026-000026982 · never reused
Internal UUID01a0ae72-3453-72c3-84ef-292599fef42b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026982
StatusPUBLIC

Content hashes

Canonical text4915f1fa9f6ca7b38bbfc122bfdacfb3ddfd2ae72a1e44fd363eaaffca126253
Markdown2a6fad87f64374c89268b9cb956562a1136dc70780bee10983ac79300864435b
PDF
Publication page7fad778bf9c4170a88ef119898596a1815ea06fcd19a91140cff981cc094fac5
Manifesta86be4a2e9ebf16e1831e11b46e43d5abb8d243bf9e971cdbcb8cb87f1ce85c7

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
SignatureRlUwkVQcE3pBP6lIp2GQloKj7qbGWWeM6WvxTf6AcGUnktX3KDF1GjQec8ztrsccxu5N6fU3meq47TvfZGi6AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:36.520123ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026982
observed 7fad778bf9c4170a88ef119898596a18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.505188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026982/manifest.json
observed a86be4a2e9ebf16e1831e11b46e43d5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.489089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026982/publication.md
observed 2a6fad87f64374c89268b9cb956562a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:36.471165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026982/publication.txt
observed 4915f1fa9f6ca7b38bbfc122bfdacfb3...
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.