OpenTechnical

OT-2026-000023102

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, sustained 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-2026-000023102) never changes.

Identity and time

Publication numberOT-2026-000023102 · never reused
Internal UUID01a0ae70-46ed-7317-a46e-6e3a693f4ef2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023102
StatusPUBLIC

Content hashes

Canonical text3e360672d893ce707a38776637d0d04a391f6c875bda1abf90b6b2dce84aa078
Markdownda29824bd07a7340032658b48c6b0da352d21ccdce707840a984055c20439d5d
PDF
Publication page13338daa333508717e7ebd13db0737dbb6aaec1c8f0bcbbfe7c04616073a5b24
Manifestd877070694858bae14b4cd733dfb1179dc6a2b686b97674f58563221e49b19e9

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
SignatureoM3xtIOXpztTWJZZYPaKdR+DuBvterqqLxwpziV3nsKixPJoY2cOZCs3sx7IQJ5bYYr1odUd9ie5SqrjNxWyAg==
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

2026-09-17T11:52:44.298351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023102
observed 13338daa333508717e7ebd13db0737db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.280321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023102/manifest.json
observed d877070694858bae14b4cd733dfb1179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.261121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023102/publication.md
observed da29824bd07a7340032658b48c6b0da3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:44.241663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023102/publication.txt
observed 3e360672d893ce707a38776637d0d04a...
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.