OpenTechnical

OT-2026-000048775

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000048775) never changes.

Identity and time

Publication numberOT-2026-000048775 · never reused
Internal UUID01a0ae80-c32c-76f1-abc5-d68d92b93c40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048775
StatusPUBLIC

Content hashes

Canonical texta3c84b4f7176fbb4106e680829d637186385951094015d205a04a2a56af713a2
Markdown386c330e80e46d4973710092c37a868155f777ae815eb07ddc805374a825d6df
PDF
Publication pagea1ca28be2fc112a86a3ceb34f0328b822cadc8445bacc5dc9f23a5aa2bebe919
Manifestb338d4e43d893180e17a68f1463949d780cc9dbbd2da48226656ed9800cde111

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
SignaturerwLZUGQr1WQgskUdwnjbo7WnHmeaOha5ewJonUkCbK+WDXtjUgKT490mHYw9wRy0ZbBBwVOUOATuGMeyTd2JCA==
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

2026-09-17T11:04:28.084932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048775
observed a1ca28be2fc112a86a3ceb34f0328b82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.057897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048775/manifest.json
observed b338d4e43d893180e17a68f1463949d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:28.034471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048775/publication.md
observed 386c330e80e46d4973710092c37a8681...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:27.985274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048775/publication.txt
observed a3c84b4f7176fbb4106e680829d63718...
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.