OpenTechnical

OT-2026-000043790

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, plant vacuum fed, sustained blow-off after 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-2026-000043790) never changes.

Identity and time

Publication numberOT-2026-000043790 · never reused
Internal UUID01a0ae7b-d676-76cd-b6bd-eb40cef78105 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043790
StatusPUBLIC

Content hashes

Canonical text51598ba1ab26d8b9cbe856e3495730565b8beb9b8c4d840185d2a82a6c2c0265
Markdownf04cabda946380e21ce186bc925666f1f4cc6ac31432f4a63082ad03609921a3
PDF
Publication page62efab27fbd7b3a39995524a6058870f433b2c420473a760bff14e52fa8e92ae
Manifest11e2443864f256818e1bda06148c37344355cac85b9ec4e090f075ed8cc46609

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
Signature9MbGMYbbWAYpm1D8NzOFWFTnwQclF49GHmiiv2S9gWnlb3j2o4PQpy+fUToYxbqcmtZRWj9ceD2C+Mj9wgRQCQ==
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

2026-09-17T11:12:05.303757ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043790
observed 62efab27fbd7b3a39995524a6058870f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.285948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043790/manifest.json
observed 11e2443864f256818e1bda06148c3734...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.239614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043790/publication.md
observed f04cabda946380e21ce186bc925666f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:05.200798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043790/publication.txt
observed 51598ba1ab26d8b9cbe856e349573056...
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.