OpenTechnical

OT-2026-000042746

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000042746) never changes.

Identity and time

Publication numberOT-2026-000042746 · never reused
Internal UUID01a0ae7a-c0cf-7c55-9247-64fab9a8ee99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042746
StatusPUBLIC

Content hashes

Canonical text17def82aaecb31387a441218b269f3266dfb2fb33d7f14ba9e20106cd035dbfb
Markdown3f8aabc7267a0fd8f0f17276e1e2b405fb08d6a845472454f3366e3d3f30dc4e
PDF
Publication pagefdf25b713856709328313f15177c5ef258dc1b3801472d5310c824adb423331f
Manifest01be3e3d438dd8b7715e86509b0351c51223cb8c438e195f5ea7d71338604504

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
SignatureiE//Xe+TEv3vthnDLnRqbZkePLrmjyt7O+ExKvPOBLUM5x1cwEsmL80k3Yk9q3nxfeVD5QVC9p1ZfJh7uEBbDQ==
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

2026-09-17T11:15:11.743877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042746
observed fdf25b713856709328313f15177c5ef2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.724095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042746/manifest.json
observed 01be3e3d438dd8b7715e86509b0351c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.705692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042746/publication.md
observed 3f8aabc7267a0fd8f0f17276e1e2b405...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:11.686053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042746/publication.txt
observed 17def82aaecb31387a441218b269f326...
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.