OpenTechnical

OT-2026-000057186

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000057186) never changes.

Identity and time

Publication numberOT-2026-000057186 · never reused
Internal UUID01a0ae87-d5ba-728c-bdf2-39e49f6ab3b0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057186
StatusPUBLIC

Content hashes

Canonical text7f4812c119fa1103b0812db835160d4b805a86e22d0d544b7e78004fc36209d7
Markdown4989eff257ebc898cd19e5047f50b88074e83bd2a5c5967822aa7e0a8ac1a3fb
PDF
Publication pageef4d65e4d375415a4b8bc31e31825f3e00117c6ca3ef8cb352f59f892a6550a7
Manifest280014ee8d4b4bea20ec1545be2fdd8ee06bcddc03f0d096d4b4b0bdfd025e17

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
SignaturewNRByNflToPzQMWNFf7D8AEBfyu5yep6Nc1sS0ep+PHk863TFpwhGXTvj0wg47UenO+1EPmKJ//6XKlda0ECBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:12.297765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057186
observed ef4d65e4d375415a4b8bc31e31825f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.280162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057186/manifest.json
observed 280014ee8d4b4bea20ec1545be2fdd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.263448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057186/publication.md
observed 4989eff257ebc898cd19e5047f50b880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:12.245033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057186/publication.txt
observed 7f4812c119fa1103b0812db835160d4b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.670636ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057186
observed ef4d65e4d375415a4b8bc31e31825f3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.653593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057186/manifest.json
observed 280014ee8d4b4bea20ec1545be2fdd8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.636137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057186/publication.md
observed 4989eff257ebc898cd19e5047f50b880...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:19.616891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057186/publication.txt
observed 7f4812c119fa1103b0812db835160d4b...
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.