OpenTechnical

OT-2026-000028925

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, supply line 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-2026-000028925) never changes.

Identity and time

Publication numberOT-2026-000028925 · never reused
Internal UUID01a0ae73-2a9d-7f84-b9b5-0ea8798d9362 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028925
StatusPUBLIC

Content hashes

Canonical texta910033b3c91226129f19ed0afebbcb4d438c566ef196536cde024f272bc0e12
Markdown29dedfdb468e3eb851193eccf09a3bbad48c2c637cdf1b8191438f50bbf3345b
PDF
Publication pagea1e221d3c1740b20008bac7252d9254e37beab61b8af08a825f5555eec472f9d
Manifestfabfbbe4bfefc3191816a8fb3767c9346e7f5c8ed86130364a183bb2d8d1eab8

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
SignatureHcG3Zu2t0qk5rd6u6WDvn4GbOP/v9F1wOxVhpWHIYK+NTBSqdV0PgPi0IEXWTYgaqQyCgnCghlo66mOPBOtICA==
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

2026-09-17T08:20:21.258929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028925
observed a1e221d3c1740b20008bac7252d9254e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:21.238613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028925/manifest.json
observed fabfbbe4bfefc3191816a8fb3767c934...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:21.219804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028925/publication.md
observed 29dedfdb468e3eb851193eccf09a3bba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:20:21.200284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028925/publication.txt
observed a910033b3c91226129f19ed0afebbcb4...
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.