OpenTechnical

OT-2026-000089498

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before 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-2026-000089498) never changes.

Identity and time

Publication numberOT-2026-000089498 · never reused
Internal UUID01a0ae9b-db02-703b-a5cc-7624095c5946 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089498
StatusPUBLIC

Content hashes

Canonical textfb12f3e95a23f9795631f785f238afaaef292febb4fd78159faf38068f80ae49
Markdown0828431673ef2ee4fc4a5dde0613ca36962e93f4de4647e859f021404d39d21b
PDF
Publication page91ca5b27910cab043517cded6b74cee6e3c8bf29313d312e4fbc2aefdffc0ff7
Manifestcd6281025dccdb5ba079752dfbc50102786fd057fe1f18ca9c5c638a4f2f76d7

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
SignatureMn7lqx1pav2w7iuR2r0PRR7AMMjDUtMMmh0O/AEmF/Qsy4ZS3FfqJCscnBtcaTomhIK2PXP5Gz8mMCGKynVDDw==
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

2026-09-17T09:47:39.096866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089498
observed 91ca5b27910cab043517cded6b74cee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.081043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089498/manifest.json
observed cd6281025dccdb5ba079752dfbc50102...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.061826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089498/publication.md
observed 0828431673ef2ee4fc4a5dde0613ca36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:39.044631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089498/publication.txt
observed fb12f3e95a23f9795631f785f238afaa...
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.