OpenTechnical

OT-2026-000079434

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000079434) never changes.

Identity and time

Publication numberOT-2026-000079434 · never reused
Internal UUID01a0ae96-0b91-7a25-a088-04fc285f5ade · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079434
StatusPUBLIC

Content hashes

Canonical text232f89007eb5b6ec82f0c4dac8cd64e983b279b6acfa8e6aff09f9c7d0a81bdc
Markdowne478ed66f209ef9440f5310138ed75830879e89eb12cd1215c8b6bfb82062c2e
PDF
Publication pagee9a0c4fd5fb77aac866ea59ee20d82c95422c56493ddbefa6b325ee766346d34
Manifest4c4fb44ddb114562f0253e01e670d64fddcdd9630d7d6dddb9f396362cafce4c

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
SignatureAbYpmvrHs2z+IX9t5MxE+b25yqXbINpbQuQAUqqmuYR5ccIRLlINFY/CbM8PrqyRWPlvKG2TkCge8ChyY1G2BA==
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

2026-09-17T10:05:03.673981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079434
observed e9a0c4fd5fb77aac866ea59ee20d82c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.654706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079434/manifest.json
observed 4c4fb44ddb114562f0253e01e670d64f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.637978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079434/publication.md
observed e478ed66f209ef9440f5310138ed7583...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:03.622218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079434/publication.txt
observed 232f89007eb5b6ec82f0c4dac8cd64e9...
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.