OpenTechnical

OT-2026-000019738

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000019738) never changes.

Identity and time

Publication numberOT-2026-000019738 · never reused
Internal UUID01a0ae6f-1fb4-7ab6-bafd-1801f7daef20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019738
StatusPUBLIC

Content hashes

Canonical textd8c98d8236573bfe2e5b7b3cf2069544b69239d8233f5e64cf93217b1395f637
Markdown769f95b11f8dccb3266ca50c977e41e726027c6d93aa8d9077780d311998ab17
PDF
Publication paged19d8247a7398dc1bf38b0e4d6e7311955ee5200ccb1836d3124b8da88f53014
Manifest1de79536b44b8f43d77c499fecc37b468c58493a8351300d9de21815b5f15231

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
SignaturemsRIE80Bm85xTD40bHwYtQgif071PgnKLu54OkVxVS2vxnf61rE3dK3PNjKyZLxnT9AVMeTqy41aBN31+eJKAA==
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

2026-09-17T11:57:49.830024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019738
observed d19d8247a7398dc1bf38b0e4d6e73119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.806752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019738/manifest.json
observed 1de79536b44b8f43d77c499fecc37b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.788059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019738/publication.md
observed 769f95b11f8dccb3266ca50c977e41e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:49.767524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019738/publication.txt
observed d8c98d8236573bfe2e5b7b3cf2069544...
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.