OpenTechnical

OT-2026-000048970

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000048970) never changes.

Identity and time

Publication numberOT-2026-000048970 · never reused
Internal UUID01a0ae81-134c-7318-a633-58303a0144e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048970
StatusPUBLIC

Content hashes

Canonical text9d6a05fc654019b42c10d421551e5ad88e3ac9ff94962d3b1919a4a310ef8b25
Markdowne29b64d4f7e6fee0f88a8f478b75d7b38dbd7d11efb2588300b34ad2b88e15cb
PDF
Publication pagee81a02340a89cc2ed329330791d84b6f657525de5c068ec20514e8d67272dd65
Manifestbb1b9ad3359154514032c129ca4660aa3a52dcbcae3b81493eb9a0fa345bf524

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
SignatureYGLxSH4Uy1X5GRd6fkb4MJTpT/bm9tjhyP4N4KiIs82hdayj/eB1nADEZqFnjMBN8XVEhPqKK5/+30vkCcY7DA==
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

2026-09-17T11:03:10.201865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048970
observed e81a02340a89cc2ed329330791d84b6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.184543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048970/manifest.json
observed bb1b9ad3359154514032c129ca4660aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.167128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048970/publication.md
observed e29b64d4f7e6fee0f88a8f478b75d7b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:10.148861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048970/publication.txt
observed 9d6a05fc654019b42c10d421551e5ad8...
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.