OpenTechnical

OT-2026-000023142

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000023142) never changes.

Identity and time

Publication numberOT-2026-000023142 · never reused
Internal UUID01a0ae70-7266-78cd-b4e7-5344c61fb94f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023142
StatusPUBLIC

Content hashes

Canonical textf25abe70e0e885ff5ca66d20b3f326f8d9e70c95bfea90cd629cf378817d9a95
Markdown84d994b1bf58c27128a5778a2ede83816ecd3387d4c538f4300b7cacd2b3acf0
PDF
Publication page71c2b6a3ed6b50a4abce807fb4d76edd0f6794903f82ee9bdd4b16d6e6454dff
Manifestefbbf51ae5782b17637b28769108d8392e48080020b7565d03f5cd9c51477734

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
SignatureavMYJP7MJA8Du+hYhR+A0HLIhJebqCRobDoyA3NNimUZQcklmM+HZWprLbu9UjoyxqOQWOpaO1uspyybxxfSDQ==
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

2026-09-17T11:51:04.589184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023142
observed 71c2b6a3ed6b50a4abce807fb4d76edd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.571485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023142/manifest.json
observed efbbf51ae5782b17637b28769108d839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.553562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023142/publication.md
observed 84d994b1bf58c27128a5778a2ede8381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:04.535902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023142/publication.txt
observed f25abe70e0e885ff5ca66d20b3f326f8...
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.