OpenTechnical

OT-2026-000053464

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000053464) never changes.

Identity and time

Publication numberOT-2026-000053464 · never reused
Internal UUID01a0ae85-0a90-76b4-a9e8-f46253000f2c · 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-2026-000053464
StatusPUBLIC

Content hashes

Canonical text4382550bbb491b15e610e16b56f95aa60bb193c92b94a47220fcc9ea49f8f463
Markdownb8fbc1b3df87b245d1590dce025897896b342e1f7caaa1d5b6b736b56633c899
PDF
Publication page49ff0b778f94b09d7153d96f7de7e2b34841d2f2cd170e96c3b897883982d6e7
Manifest7d4a2ff9810ecb78863adc9c374290ee9c36aaedea9698e2512edd4b954cc243

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
SignatureSpd+SM2nnoHsc3sNCTiqCKJYtweMOAZv78ehsDXkRG5XjfxWx/5D7JE0ofJbeR+hVMAGnUbTbQ7ERcVIoJu/Dw==
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

2026-09-17T10:55:12.830398ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053464
observed 49ff0b778f94b09d7153d96f7de7e2b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.809560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053464/manifest.json
observed 7d4a2ff9810ecb78863adc9c374290ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.790185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053464/publication.md
observed b8fbc1b3df87b245d1590dce02589789...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:12.770127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053464/publication.txt
observed 4382550bbb491b15e610e16b56f95aa6...
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.