OpenTechnical

OT-2026-000053252

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line 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-2026-000053252) never changes.

Identity and time

Publication numberOT-2026-000053252 · never reused
Internal UUID01a0ae85-0a14-74ac-8101-da87d01e5bc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053252
StatusPUBLIC

Content hashes

Canonical text6e78d5b1f6e0c34d93dc472969745d0e08ef56111a570f098e34e9da89b13294
Markdownd4af2a5187c9e97cb3553d4b98faabaac0a1b75c64809021568f8bf3f770d030
PDF
Publication pagefca67a9587bdbba8f737461948b423a9ca5899c20331daa465fa17ea3653abc9
Manifest4210a56dd3d7a10af7b3bd1074c6a865cb626a0b76d40a22a057ab1b055f928f

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
Signature7/8Np8+2knBEaR8RIjMJcs3Qf7xCBI8txAPpoQLgt+fOZWp1XrDAnnSbQ9mnrDpJX1497kUTRO9dVZLikaA9AQ==
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

2026-09-17T08:40:57.519976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053252
observed fca67a9587bdbba8f737461948b423a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:57.501446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053252/manifest.json
observed 4210a56dd3d7a10af7b3bd1074c6a865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:57.481170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053252/publication.md
observed d4af2a5187c9e97cb3553d4b98faabaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:57.334156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053252/publication.txt
observed 6e78d5b1f6e0c34d93dc472969745d0e...
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.