OpenTechnical

OT-2026-000027224

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, sustained blow-off before set-down

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-2026-000027224) never changes.

Identity and time

Publication numberOT-2026-000027224 · never reused
Internal UUID01a0ae72-3454-7ddd-9dbb-3552032bef05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027224
StatusPUBLIC

Content hashes

Canonical text2fb460e98283f9ff38d36ceaa5566885bad5b69987406b9fb435124c7750c15b
Markdown7bdf6ccb44855b949f00fd0c2afc3c9d62f46127ea8beaad872a25857f9a3270
PDF
Publication page2eef7e9bb9071cacf1bbd89017d9ed28ddbaccbcf3a9cc654f7e1bbe233f6bd4
Manifest6ffc143843afe790cf9c8dedf8cfcfaae09acc124fda2be984af61487775c57c

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
SignaturexEYUdNxhg2tFOefpJ1EmuCyqFMpeUa+a2d8V/JjVPKETTH6vgi2WZlumqx40B4vmXphJ8hKmw0ltfh6RCfCFBg==
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

2026-09-17T11:44:06.992700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027224
observed 2eef7e9bb9071cacf1bbd89017d9ed28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.976529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027224/manifest.json
observed 6ffc143843afe790cf9c8dedf8cfcfaa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.961544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027224/publication.md
observed 7bdf6ccb44855b949f00fd0c2afc3c9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:06.945633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027224/publication.txt
observed 2fb460e98283f9ff38d36ceaa5566885...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent