OpenTechnical

OT-2026-000047112

Publication integrity record

Three bellows cup vacuum gripper, three 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-2026-000047112) never changes.

Identity and time

Publication numberOT-2026-000047112 · never reused
Internal UUID01a0ae7e-d0f8-78e4-b1a8-6f36903aed6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047112
StatusPUBLIC

Content hashes

Canonical textfdd667c1ec80cc04d8b8cbc784303f8eceb5e720b357f966b4e9c8ea0a35ef63
Markdowncb06fd114a6a1bca5248c516c3c7b9c8c96e0e6260cf09738d42cc64c1630fc4
PDF
Publication pagec60cdaecf6cb8cba9bfb5c32ce1c88af929f271983f5d7c2365380cf3e6e2685
Manifest7205aaea50323510e49f5449b7cec72d8a6fb208a3992748f3e652b21dde27d2

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
SignaturegiLuvtbETKxjBMrbisr6shL/rtiLrv7SAw7Hh7ro2RRRDJW7UNjp8Eb65XjW+SzNbnzqBe2KI2nsdObDiN+XAw==
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

2026-09-17T11:10:26.282228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047112
observed c60cdaecf6cb8cba9bfb5c32ce1c88af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.263918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047112/manifest.json
observed 7205aaea50323510e49f5449b7cec72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.243711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047112/publication.md
observed cb06fd114a6a1bca5248c516c3c7b9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:26.223254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047112/publication.txt
observed fdd667c1ec80cc04d8b8cbc784303f8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.524997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047112
observed c60cdaecf6cb8cba9bfb5c32ce1c88af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.504920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047112/manifest.json
observed 7205aaea50323510e49f5449b7cec72d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.483416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047112/publication.md
observed cb06fd114a6a1bca5248c516c3c7b9c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:54.464154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047112/publication.txt
observed fdd667c1ec80cc04d8b8cbc784303f8e...
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.