OpenTechnical

OT-2026-000053793

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000053793) never changes.

Identity and time

Publication numberOT-2026-000053793 · never reused
Internal UUID01a0ae85-735d-781e-b6b5-e7671ceed242 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:36.560124Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053793
StatusPUBLIC

Content hashes

Canonical text454995eb3e7b90f6f4689e7f822b795fc954446c3550c7b6ae1de4174daebe56
Markdownc122e256806e52de4de55d8960e3cf72ce2850892b5f56b0674c66a7b619052e
PDF
Publication page80e6c762dfd557a90754a719667af7714b4bd80892b5ba8fe5d5b8b926ce1ab4
Manifest21210307d348e47a1df0cd902f8146d85fef57196e951d8b5159d980fac9bfcb

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
SignaturejJmtMoWY17UWXpC1m7P2s6a70s2OplG76cLu/gqFE0yJUB1FBDCCAHuLx5MVoz7pP0h02pI16wT3Oncl5dQcAw==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:29.277325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053793
observed 80e6c762dfd557a90754a719667af771...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:29.261264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053793/manifest.json
observed 21210307d348e47a1df0cd902f8146d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:29.238065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053793/publication.md
observed c122e256806e52de4de55d8960e3cf72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:29.217785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053793/publication.txt
observed 454995eb3e7b90f6f4689e7f822b795f...
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.