OpenTechnical

OT-2026-000038451

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before 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-2026-000038451) never changes.

Identity and time

Publication numberOT-2026-000038451 · never reused
Internal UUID01a0ae78-2d53-7966-a0f9-4cec8cd86240 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038451
StatusPUBLIC

Content hashes

Canonical text365282bae486ac6f6eb194050d63e445111198dcaec2ecb543227eb0c4def535
Markdownd44ef8090a03df6ebe360f1ce2ed445d0986f21ba25b620ee21f3f10b7934d9d
PDF
Publication page9151093c0c590fe0732e8bf9a2b2e281f5b814ef61e220d66f68a3d524942460
Manifest28cebe8dc8804025c9876bb3a59df8906d5b4e3d2a73b00bccbc9dcdcd19d468

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
SignatureFqnSmBI8w216tWQ80EXb662M/tU4Vpud3n9P96VL88dIjkQ/HH3lvNz4MB00vjxOkHcyF+UYyRGUVFhFkhriCA==
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

2026-09-17T11:22:40.932960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038451
observed 9151093c0c590fe0732e8bf9a2b2e281...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.915080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038451/manifest.json
observed 28cebe8dc8804025c9876bb3a59df890...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.898003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038451/publication.md
observed d44ef8090a03df6ebe360f1ce2ed445d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.880898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038451/publication.txt
observed 365282bae486ac6f6eb194050d63e445...
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.