OpenTechnical

OT-2026-000028485

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000028485) never changes.

Identity and time

Publication numberOT-2026-000028485 · never reused
Internal UUID01a0ae72-e2f7-768e-b173-15f434b75e49 · 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-2026-000028485
StatusPUBLIC

Content hashes

Canonical textccda35a9c8641b082b68739be8305f9a65fdb470464e5043bdd746a2c97cdd24
Markdowne130444eeb030e5d059d329e55b7cd60231babebd4a7559c10331883495ac7fd
PDF
Publication page49886abad610a3f30ca8b0091ea55fb0dfb454287c0e2d5ac71188a106a8a37f
Manifest37199054a5791c02fc486b3f400407b5560da3691ca7f6af5b64dac3ba5d3049

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
SignatureehTRk2vIpYRduJNkgiDvGuWvqnb6Ga7Scvg2ZA1bbEQgB1j3CG4pxFdtS1HmazJWejGHFIDGdOcjezzO7E4IBw==
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

2026-09-17T11:40:38.160251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028485
observed 49886abad610a3f30ca8b0091ea55fb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.138375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028485/manifest.json
observed 37199054a5791c02fc486b3f400407b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.119737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028485/publication.md
observed e130444eeb030e5d059d329e55b7cd60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:38.089988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000028485/publication.txt
observed ccda35a9c8641b082b68739be8305f9a...
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.