OpenTechnical

OT-2026-000091059

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump 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-2026-000091059) never changes.

Identity and time

Publication numberOT-2026-000091059 · never reused
Internal UUID01a0ae9c-c012-732f-a1d5-2920aee0e2c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091059
StatusPUBLIC

Content hashes

Canonical textdcaba206b48eaba55ef38fe8e27ff0e19337807037e1bf6e116511e81d6af8bf
Markdown6045796d2fc30a0297999f3dbf1e151ba4f6718e50d6336b18ca633f128d7ddf
PDF
Publication page731bbe12077d360382596218e79232b2490e6e03aa0ff233d47d2f1e687e6565
Manifest551e10e86c69b6836050ec989e3b179f7924b98a39c86cdcf8141fe4d9829145

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
SignatureZS3GZkyUUoXRGana+3u/sCM3aN8pjj8QQYiu/3rfgDZlmotIKK0arLoNNufjRisu5JkIohF6GMvq6wi0RzfzDQ==
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

2026-09-17T09:44:18.039625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091059
observed 731bbe12077d360382596218e79232b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.023571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091059/manifest.json
observed 551e10e86c69b6836050ec989e3b179f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.006496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091059/publication.md
observed 6045796d2fc30a0297999f3dbf1e151b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:17.989659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091059/publication.txt
observed dcaba206b48eaba55ef38fe8e27ff0e1...
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.