OpenTechnical

OT-2026-000045890

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, manifold 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-2026-000045890) never changes.

Identity and time

Publication numberOT-2026-000045890 · never reused
Internal UUID01a0ae7d-8f06-79ed-a3a9-79984b44acd1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045890
StatusPUBLIC

Content hashes

Canonical text5cd0d2d0ec612215aa1dd13f085b2beb3670e76548b9907916e0e61ba139667f
Markdown5c3517cebd2da187019c42359b27c9931cca75749917aafeba339804e6fb676c
PDF
Publication page4225d95404edaa182713c06e3f2d80bfe87f28ad52c97a951c6bece2bb493585
Manifest12fba693dc9b6c6051592221275abe1c79576b2adfc1ba5d9b7ab844f952618e

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
SignatureNwo6w6N910xJ81KbD9OFtbfpP7/Zd0IBIXV28dE7WU9yXh4XTcrI8LtK4p7zknHabwrMsXcr0v4X6JjFJvQeAA==
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

2026-09-17T11:09:47.068919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045890
observed 4225d95404edaa182713c06e3f2d80bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.048489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045890/manifest.json
observed 12fba693dc9b6c6051592221275abe1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.028937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045890/publication.md
observed 5c3517cebd2da187019c42359b27c993...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:47.008611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045890/publication.txt
observed 5cd0d2d0ec612215aa1dd13f085b2beb...
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.