OpenTechnical

OT-2026-000027122

Publication integrity record

Foam pad vacuum gripper, single stage ejector, supply line pressure sensor, 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-2026-000027122) never changes.

Identity and time

Publication numberOT-2026-000027122 · never reused
Internal UUID01a0ae72-3454-715a-b0d2-ff56f755d05d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027122
StatusPUBLIC

Content hashes

Canonical text792e11b979ef5c1f69606101ce932aa41c2c558cf7b990fbf9caf5446e7b4500
Markdownbebb90a72b56c08e748da3602f84e3bbf52e9e5d502f3ec48b61a70694e5669a
PDF
Publication pagefa94b66fb78c669c568941d1420bb182263432d3e94a5d9008e0ed93dce018e6
Manifest930ea52228190a495c8d09b6969eaa212f875db7d64267cc03bbb9aae0393d52

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
SignatureChSgzrsSq/rHKzA9qiL3ocJbNxJExM6opQvOdcSPeQlg0LOFcr2fBL+AYlCiD67AeDvsEFoFW7UAz4QYw4ZtAA==
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

2026-09-17T11:43:53.746463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027122
observed fa94b66fb78c669c568941d1420bb182...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.728094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027122/manifest.json
observed 930ea52228190a495c8d09b6969eaa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.709707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027122/publication.md
observed bebb90a72b56c08e748da3602f84e3bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:53.689232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027122/publication.txt
observed 792e11b979ef5c1f69606101ce932aa4...
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.