OpenTechnical

OT-2026-000052883

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, pulsed 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-2026-000052883) never changes.

Identity and time

Publication numberOT-2026-000052883 · never reused
Internal UUID01a0ae84-a42f-7c9c-917b-13c9cb1c2d1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052883
StatusPUBLIC

Content hashes

Canonical text07c947fe2594dceb1ef3614077cce9100ca206fd9aa1667bd2a01fe58ad7bcd4
Markdown4e201d2cfc1b9e2b35051bc6268158609cddf9940dc5b852b76fc99d0054b432
PDF
Publication page4f74bb98406098d85e3197a82a45fbfaeacf0374ba4c4c505ec1c1670bb5c566
Manifest376701c37c15e4651aeaf9050b99ce1496c5d20c6c1f1451aa7e15d8cf12f589

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
SignatureEqvTp4ZUuxbUdqbJlthzcjQvdHmrHwWpryseEdwJwdSZxa+YOx0/Cu5JXST1mNCuUwjqOQbDj1bmCDqj5KkKAw==
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

2026-09-17T10:56:31.209644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052883
observed 4f74bb98406098d85e3197a82a45fbfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.191489ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052883/manifest.json
observed 376701c37c15e4651aeaf9050b99ce14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.174976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052883/publication.md
observed 4e201d2cfc1b9e2b35051bc626815860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:31.159340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052883/publication.txt
observed 07c947fe2594dceb1ef3614077cce910...
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.