OpenTechnical

OT-2026-000028358

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000028358) never changes.

Identity and time

Publication numberOT-2026-000028358 · never reused
Internal UUID01a0ae72-e2f5-715a-b399-e1eb262cbe39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:19.949572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000028358
StatusPUBLIC

Content hashes

Canonical text14c15a3435fb4e36e1113c2813d8a71b55cce697b0874c5d09dd36684e2bcfeb
Markdowne0175d128b1dcdfc6e52709e127d67d8f7e8c292a295275e817a4fe1e5398a9f
PDF
Publication page0b75416bd0f6019b7ccf065e547d2a91c85dba98cc3d224c44860316c57c3e49
Manifest8af83e04ae07ce1189537653a838b9edadc2fb59729130ca9f3288d34c2057a7

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
SignatureWzgKu/oN+azKcgmAC18Qa0fPHSAh3ABwjVeLSkzJJ/L3zKdfN20iDiJEfUn8YGLgVVS4E2GCvzT8VgixR03ODQ==
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

2026-09-17T11:40:22.192738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028358
observed 0b75416bd0f6019b7ccf065e547d2a91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.176148ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028358/manifest.json
observed 8af83e04ae07ce1189537653a838b9ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.157263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028358/publication.md
observed e0175d128b1dcdfc6e52709e127d67d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:22.136255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028358/publication.txt
observed 14c15a3435fb4e36e1113c2813d8a71b...
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.