OpenTechnical

OT-2026-000100018

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000100018) never changes.

Identity and time

Publication numberOT-2026-000100018 · never reused
Internal UUID01a0aea3-1474-76a4-94bf-047bf99ee3d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100018
StatusPUBLIC

Content hashes

Canonical textecf758030d65a8d394ec569eac37eb3cd65763e324202d7185d271e0e9caeb22
Markdown120707596f6267fbf20244a5878942958eaf4a09d8e98343c1227691a3c08aad
PDF
Publication pagebe392d64e845b6df9c6e4ad08db20c0f490f8b9cf3cdc0a0890b16411648ace5
Manifestbec8277b688857095066d1627877ebc43fb29ea018b52b04a177e0d340a43dec

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
SignatureEFxwAZ2G34Tbeq4SqpHTuT3raQB8y6oUQAAm9hvpPaQEQvtbLqxP3bjskAVFJpS2jx+Mf1lo+aQ7DLz6WE+GDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:28:57.081527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100018
observed be392d64e845b6df9c6e4ad08db20c0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.062260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100018/manifest.json
observed bec8277b688857095066d1627877ebc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.044457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100018/publication.md
observed 120707596f6267fbf20244a587894295...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:57.024473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100018/publication.txt
observed ecf758030d65a8d394ec569eac37eb3c...
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.