OpenTechnical

OT-2026-000025814

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line 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-2026-000025814) never changes.

Identity and time

Publication numberOT-2026-000025814 · never reused
Internal UUID01a0ae71-a83e-789c-bfd4-2d807e745b07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025814
StatusPUBLIC

Content hashes

Canonical text9811224e47e03b03f5253b1c913305b3f89f2508ec2e7303b7af4f3e5d9b2ccb
Markdown8d542b6eca263adfa4b54afb5b65469829ce0da5940f4726e3f10b8042a15fe8
PDF
Publication page35e556c9960be58e80345991272ca42ff903e5c384f9507289793bc1a10da935
Manifest7eb3fc9241bffe918692a749c6aade6768f4fd869cfb047171123cb077fc173d

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
SignaturegTTIGRvUb/638mmikV535CXyA3u6s93XKxpBM3927dWPd21/R2YxKsOwsiz+0cNrN19iHkWmeggwYzjzU54dBw==
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

2026-09-17T11:46:01.952250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025814
observed 35e556c9960be58e80345991272ca42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.935890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025814/manifest.json
observed 7eb3fc9241bffe918692a749c6aade67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.919553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025814/publication.md
observed 8d542b6eca263adfa4b54afb5b654698...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:01.898124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025814/publication.txt
observed 9811224e47e03b03f5253b1c913305b3...
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.