OpenTechnical

OT-2026-000026422

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000026422) never changes.

Identity and time

Publication numberOT-2026-000026422 · never reused
Internal UUID01a0ae71-f4a7-76c2-83bf-95cd04c36925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026422
StatusPUBLIC

Content hashes

Canonical text5c0e4f03c2e04f70afd7e9d1fc4bac08de0a913ce74181d6d4c15bf94d29da13
Markdown4157dc650d2a361f4bea1d5df10929e940a2f8892982e9a2b979f80ca3d50a3f
PDF
Publication page5507fa179b9d72e8fa6a07b2d14d0bc7b8f8dc9914069b425139119913b5cfd6
Manifestb3e6d25015334c6de9b28ab76228d01a0f06a93a8b5b621cc2e091b6cf10ddce

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
SignatureexnkyIot+tA8Bq7BBe3BfUHe/8Ybml3peTKDOlFfkMOsT2X2W5ItGjpKDk1bZPyUfKShZOy/aweBe36u1nXUCw==
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

2026-09-17T11:44:24.782542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026422
observed 5507fa179b9d72e8fa6a07b2d14d0bc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.765638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026422/manifest.json
observed b3e6d25015334c6de9b28ab76228d01a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.749768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026422/publication.md
observed 4157dc650d2a361f4bea1d5df10929e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:24.734140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026422/publication.txt
observed 5c0e4f03c2e04f70afd7e9d1fc4bac08...
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.