OpenTechnical

OT-2026-000026141

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000026141) never changes.

Identity and time

Publication numberOT-2026-000026141 · never reused
Internal UUID01a0ae71-a840-7bdd-8e9a-3bb4f2565bd3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026141
StatusPUBLIC

Content hashes

Canonical texte7f67e92121d66ac64178c0602a5b7f79025069ddfe688213ad7fa8bf00692f8
Markdown4ec53be43aef2e5877adde2cfed589488e25379a606d2a256d54ff923ee1a775
PDF
Publication page234e2caf8072998c5a3020bc0673d1447ddb50263650ac7860f01beb459c1525
Manifest77a53f979c72aac72bf0e54ae561dcb429a23242f10f451ff460d5ce37597033

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
SignaturefZm0BYNlR8RYK/DtWQYmVGjrXd5dWpQESHdvhmoZimHEVlZ+iB/bOJUpQrEZxzd/PGD7wItOuE43sjp9y2beBQ==
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

2026-09-17T11:46:06.967300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026141
observed 234e2caf8072998c5a3020bc0673d144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.949215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026141/manifest.json
observed 77a53f979c72aac72bf0e54ae561dcb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.930639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026141/publication.md
observed 4ec53be43aef2e5877adde2cfed58948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:06.914142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026141/publication.txt
observed e7f67e92121d66ac64178c0602a5b7f7...
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.