OpenTechnical

OT-2026-000061518

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump 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-2026-000061518) never changes.

Identity and time

Publication numberOT-2026-000061518 · never reused
Internal UUID01a0ae8b-7b44-7e9f-bb17-48eb76c86b38 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061518
StatusPUBLIC

Content hashes

Canonical text2a0a07e843aaf3275d35a40f1420701540dc8d4108256b155670dcb5391c1f31
Markdown4f1b55fcc473db07b659793fc80407c75c651a1fcea5cf83edc1a47b7eddbfd8
PDF
Publication page482e461d31691131e04a32e51fb860c3be9337e884f17a42b9979ea0ffc469a1
Manifest53de6aba0f9f565dbf54a2ecf39ca94dd1fe58f7a415a718666377a95366ecd0

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
Signature8zIsB/FqlU8ggzwvK3tCi7X0v69ONuhxNpJPORxbrlw73/7adcMnh3/QSdWGE97vyaVJCrHwp2kvrhvd1yq1Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:25.040585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061518
observed 482e461d31691131e04a32e51fb860c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.021899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061518/manifest.json
observed 53de6aba0f9f565dbf54a2ecf39ca94d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:25.004706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061518/publication.md
observed 4f1b55fcc473db07b659793fc80407c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:24.986061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061518/publication.txt
observed 2a0a07e843aaf3275d35a40f14207015...
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.