OpenTechnical

OT-2026-000066839

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, three stage ejector, pressure sensor per zone, 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-2026-000066839) never changes.

Identity and time

Publication numberOT-2026-000066839 · never reused
Internal UUID01a0ae8e-ce43-70da-8256-bb1c1f65d50f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066839
StatusPUBLIC

Content hashes

Canonical text73fbe7fb25a3a2749a1de2cdadf36f8a5f609a14db8620b560647c04260de1dc
Markdownc4772b9330507c651ab9e57e7653f95fcb5972f416675217fc7b02c93d8da312
PDF
Publication page9d053f127324e5f92d7271a496d3c1447df1ba85bdd4c76340ec7658fa295788
Manifest1a6226136078532565e6aa977d2eda26da23fabed7a4883a21ca37ff43827b1a

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
SignatureChHbu/m5r1SExTomta9usXpVfRkTqImD7H3K+G/lYSUSqfbqxxflY5yD75n8V3WyOyxogMC/6p5DhrHQdVMDDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:33:16.583577ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066839
observed 9d053f127324e5f92d7271a496d3c144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.566784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066839/manifest.json
observed 1a6226136078532565e6aa977d2eda26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.550508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066839/publication.md
observed c4772b9330507c651ab9e57e7653f95f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:33:16.529558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066839/publication.txt
observed 73fbe7fb25a3a2749a1de2cdadf36f8a...
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.