OpenTechnical

OT-2026-000008572

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, vented after 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-2026-000008572) never changes.

Identity and time

Publication numberOT-2026-000008572 · never reused
Internal UUID01a0ae6a-e46b-7c0f-848c-e2cec87a18c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008572
StatusPUBLIC

Content hashes

Canonical text07e15b5a91500c813ed7053381c93e6d167a182f340db9ef7544a0dd774d639b
Markdown56063f88e7154e269dc9a07f1ae58a035d0e6fa0c98c4d8e6b3b62aded95d083
PDF
Publication pageb6c691a755a571509b26e8d639766575f1cbb62b17b16c90506abb1b724c03a7
Manifest870b4e498002b9ab01761e473b8fef35433b63be35fe1381818dccf3f0d0f3b7

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
SignaturethaTE32vrjOxFl+OSuATfO0xqjQlEJsfYreak60LefKONcqGtrI6bd/GvgSeK9CihGcdhEfjbtA6RduCdBjDBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:30.860587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008572
observed b6c691a755a571509b26e8d639766575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.837844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008572/manifest.json
observed 870b4e498002b9ab01761e473b8fef35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.818146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008572/publication.md
observed 56063f88e7154e269dc9a07f1ae58a03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:30.798921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008572/publication.txt
observed 07e15b5a91500c813ed7053381c93e6d...
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.