OpenTechnical

OT-2026-000024018

Publication integrity record

Foam pad vacuum gripper, common isolation valve, plant vacuum fed, 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-2026-000024018) never changes.

Identity and time

Publication numberOT-2026-000024018 · never reused
Internal UUID01a0ae70-aed7-7c1d-9bac-9a451163aaad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024018
StatusPUBLIC

Content hashes

Canonical text72bcfbcd84bb245cbac8b0f3fdff68ebf7a25de38bbc9e087df6a0bc62c707cd
Markdown4cd96b2d7cfab7428b9e7e0a594bad7518cb6f57fcf40f3834a7752bafc52733
PDF
Publication page3086c9446e2683d968ad940bb1b29fd6003e4353a79a44c3b39660cb2f527a60
Manifest0c5451c09effdf1954023affdf3caafb6750bb3c05f014ed7c9611cd03547121

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
Signature2UIT7A2QN3WEJQ3gS7W+Ma5sSwZLUC66tZeA7C4myujrZs0qUknfulCDo7AQ906aOwUyaRRtpqFUCgbjtAZqDw==
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

2026-09-17T11:50:47.985802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024018
observed 3086c9446e2683d968ad940bb1b29fd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.967463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024018/manifest.json
observed 0c5451c09effdf1954023affdf3caafb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.946771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024018/publication.md
observed 4cd96b2d7cfab7428b9e7e0a594bad75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:47.925492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024018/publication.txt
observed 72bcfbcd84bb245cbac8b0f3fdff68eb...
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.