OpenTechnical

OT-2026-000058255

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, 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-2026-000058255) never changes.

Identity and time

Publication numberOT-2026-000058255 · never reused
Internal UUID01a0ae88-f397-75b4-8fcf-0ace95171b30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058255
StatusPUBLIC

Content hashes

Canonical text2ee6cd41de08d652360c4f672b0907d8eb5dec84773ef0a348e621359a934d91
Markdown4675e6c00b7222a460ff7a89bc00044619ef89ad94bc453adb27a35b51206486
PDF
Publication pageeb5aa7d282fe22e17fec12c5c02408d7c1f71fba56e7eb80a51adac667531e1f
Manifestdf598f3451e9859072e6e4e618fadc668350e6553c15a623465a58ca949aa214

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
Signature3hwdJ5wwr9C6QIzJZAd79AuwPYhiUfiP5IAYu5LQRis2MQ8LP9cpDRHz6YBYl5l1tExk7Xiiuxs1AalGEo4rDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:46:38.243158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058255
observed eb5aa7d282fe22e17fec12c5c02408d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.225957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058255/manifest.json
observed df598f3451e9859072e6e4e618fadc66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.208628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058255/publication.md
observed 4675e6c00b7222a460ff7a89bc000446...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:38.190790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058255/publication.txt
observed 2ee6cd41de08d652360c4f672b0907d8...
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.