OpenTechnical

OT-2026-000056299

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, 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-2026-000056299) never changes.

Identity and time

Publication numberOT-2026-000056299 · never reused
Internal UUID01a0ae87-4bd1-7157-9931-92e2b0fbdad2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056299
StatusPUBLIC

Content hashes

Canonical text4d282cc306efd5fc552b97cf8c78e9f01d54d88edbfb3dad83a7bcdc845c2fb2
Markdowne77f5ec99d92f07c1c7b22704d5d98235392c3b9ebe71a2dd13edbc94a1fd8f3
PDF
Publication pagedb58ced1386490343f761589e9dcdd33e0a76bb8ad2fce063d63f9777802347a
Manifest3520dd3c97b78601789b0e17dbdb83d4b2377241cb287b56fa1a7a0009b0ad45

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
SignaturehwzsKyAyt4wF3w4X2L6ggv+fgs/vBfosnQv/zml8szYcx+6TpsvHpWP5KAo8xFkJuYp5WU+yUv7ah8Myo05fDw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:47.582745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056299
observed db58ced1386490343f761589e9dcdd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.566004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056299/manifest.json
observed 3520dd3c97b78601789b0e17dbdb83d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.548443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056299/publication.md
observed e77f5ec99d92f07c1c7b22704d5d9823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:47.529497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056299/publication.txt
observed 4d282cc306efd5fc552b97cf8c78e9f0...
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.