OpenTechnical

OT-2026-000043674

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000043674) never changes.

Identity and time

Publication numberOT-2026-000043674 · never reused
Internal UUID01a0ae7b-92d0-7cd2-993f-8be85b3cb7ad · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043674
StatusPUBLIC

Content hashes

Canonical text97427e33192d860d3580786fde9210a1dd99d113b6c4daec42cb7269a5d89f59
Markdownc227d89380e3128265daae732a4168157e6538b0ccdeaea38e25dfa6bb58fcda
PDF
Publication pagebb88c743845170d090658065959184a02fef115458907a1e5770ef88476c7839
Manifest24031f62a9d00e5933b41b666a4e3d3d174af1ff99c32aae273711ae0c434cdd

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
SignaturenzrQtyOWqJQIQoarav69AdI7u5ro8fjmABOtPQGCaNVlq/wTd92DvSimooIXW0R9+QBkSkZp7lz45ZxtQ5xfCw==
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

2026-09-17T11:13:09.768162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043674
observed bb88c743845170d090658065959184a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.748997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043674/manifest.json
observed 24031f62a9d00e5933b41b666a4e3d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.730647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043674/publication.md
observed c227d89380e3128265daae732a416815...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:09.711813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043674/publication.txt
observed 97427e33192d860d3580786fde9210a1...
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.