OpenTechnical

OT-2026-000027982

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000027982) never changes.

Identity and time

Publication numberOT-2026-000027982 · never reused
Internal UUID01a0ae72-a51f-7e9d-a105-95a4c0a9157b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027982
StatusPUBLIC

Content hashes

Canonical textdb66cabd9e56d38adea32499770cabfebf0117b6e4336253f7445dd4ed2cd2d4
Markdown92535ff0bf9f63d0bcd93a73e7a0887f181bcfb4b28fae879cf4fe7d02e56ee4
PDF
Publication pageb1fe07daed73935dc04d5ffba23629ad16f1743de93a5f2d7f776cadc61d9b96
Manifest5f6a0e771781e7ba526f68a15733b242ca89992412ed19721dfd34dd074c00e0

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
Signature0U4Q9/q5sZvNDs9ZqlfoRF0UeiOQP1sRMJKf41i/LUsoRVAhvPAzQLRKJRz+fVvTTuEoCw5qGFiBJahSSyGqBA==
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

2026-09-17T11:42:11.065485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027982
observed b1fe07daed73935dc04d5ffba23629ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.048112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027982/manifest.json
observed 5f6a0e771781e7ba526f68a15733b242...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.030739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027982/publication.md
observed 92535ff0bf9f63d0bcd93a73e7a0887f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:11.011483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027982/publication.txt
observed db66cabd9e56d38adea32499770cabfe...
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.