OpenTechnical

OT-2026-000047209

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000047209) never changes.

Identity and time

Publication numberOT-2026-000047209 · never reused
Internal UUID01a0ae7e-d0f9-7329-a3a8-d6045bada3f6 · 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-2026-000047209
StatusPUBLIC

Content hashes

Canonical text8854e4f3ec5c7fc4ee46cec434dd3eb1335b88257cd886bb3e0fc85cc7d90b4a
Markdown1971c30633341c42472003bb0ce6460aca67d285b8aa0d9812d27ce304487838
PDF
Publication page4a3cc1ea3865afede7c2ebf8f7c2e325d29244016148338d1653d1fdaa573aed
Manifest73e73823744a4d60842e8c402b6b0429d1102ac497b34128213ff70be318b01e

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
Signatureh4kKGZSAjVs9GqBuELwKH+uzSBAc820gcLZKA64H18N2aLR8m9F0Rg7r9IfAsrord2YmyP/X22OXenkyqyYUAg==
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

2026-09-17T11:08:02.567642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047209
observed 4a3cc1ea3865afede7c2ebf8f7c2e325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.550635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047209/manifest.json
observed 73e73823744a4d60842e8c402b6b0429...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.531082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047209/publication.md
observed 1971c30633341c42472003bb0ce6460a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:02.512842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047209/publication.txt
observed 8854e4f3ec5c7fc4ee46cec434dd3eb1...
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.