OpenTechnical

OT-2026-000052394

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, vented 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-2026-000052394) never changes.

Identity and time

Publication numberOT-2026-000052394 · never reused
Internal UUID01a0ae83-e792-791c-8b3a-e187b369d497 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052394
StatusPUBLIC

Content hashes

Canonical text045f3280d8e40312996e88c14ccbc4796035a50e659e7449a6e3df5323b5edfc
Markdownc013f46040840c03be341568388f6b3e3b8c4d4b67a959846db0de4459e4f67c
PDF
Publication page7f2ececdaeed7402d271cd299b541274da3bb0f838c0fdaf8aa5b46398cc5dbe
Manifesta55eab4fb09e1aac94c05c964e605bea19c8b4bc59357300f351adb82b246a84

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
Signature2tV6Mex2ws7XNMlUa5bUIUpoRPZiDezkef+w2/Nxmwsm4Pqs9Uoc/tg/1u3zYnXFeZ1Mlmgs/1e1mP5NXVkhBA==
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

2026-09-17T10:58:06.073713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052394
observed 7f2ececdaeed7402d271cd299b541274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.057045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052394/manifest.json
observed a55eab4fb09e1aac94c05c964e605bea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.040286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052394/publication.md
observed c013f46040840c03be341568388f6b3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:06.023165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052394/publication.txt
observed 045f3280d8e40312996e88c14ccbc479...
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.