OpenTechnical

OT-2026-000038578

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000038578) never changes.

Identity and time

Publication numberOT-2026-000038578 · never reused
Internal UUID01a0ae78-2d54-73a5-858b-df7af8b790d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038578
StatusPUBLIC

Content hashes

Canonical textf7e2b2778a02b10e1e2f3664fb2c99f4489c04473908d93ce84993eee559f34f
Markdowncb4d3598298683aae66f37772c061f39a93bb8ba565147a0e26b90484ceed674
PDF
Publication page44ffa7a0a53c7643915097e5454512d4ed35dd9ab06e85692139d4189cb2d52b
Manifestd1cbae6bcdf43fe4c22ab768412eba33f99cf624f5ea04252a5c0b10d83f6a53

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
SignatureJpTVgmbgrxIGevjuo3VcTzeaAZh2E1kgxl5Vgk7gv1hvWeqANK9/W4s88CIOaRgBKmBm+0nGOHNs5+erpylpDQ==
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

2026-09-17T11:22:51.216768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038578
observed 44ffa7a0a53c7643915097e5454512d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.194948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038578/manifest.json
observed d1cbae6bcdf43fe4c22ab768412eba33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.176710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038578/publication.md
observed cb4d3598298683aae66f37772c061f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:51.158792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038578/publication.txt
observed f7e2b2778a02b10e1e2f3664fb2c99f4...
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.