OpenTechnical

OT-2026-000047778

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000047778) never changes.

Identity and time

Publication numberOT-2026-000047778 · never reused
Internal UUID01a0ae7f-c420-7b6e-8399-f64a2dc4e626 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047778
StatusPUBLIC

Content hashes

Canonical text470c4ed7e201398a446a4efe3224225e5958d9c253017ffee47e77fd5df0ec31
Markdown122cc31f9760c4f1582e207fbc5ac376998aaca7d3c7a159e929783b944817bb
PDF
Publication page3ae7e8d00c2fc0d454107f8947dafe00df1a873e0bf9c352e28f7bc6794bdb29
Manifestdf67bc0b88f1adc61c50b549d01803c030968147044f68a442a9905c7233ce7d

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
SignaturedravtuqxF13no9tiEF/7DTCPp0MgRhSR0Al1+jh9bP4LVnu9IhQ8dOE/L7c0Q19FDvLeLpGoyWJ5ATtjOI5oBg==
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

2026-09-17T11:05:40.355810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047778
observed 3ae7e8d00c2fc0d454107f8947dafe00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.337895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047778/manifest.json
observed df67bc0b88f1adc61c50b549d01803c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.319878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047778/publication.md
observed 122cc31f9760c4f1582e207fbc5ac376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.302106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047778/publication.txt
observed 470c4ed7e201398a446a4efe3224225e...
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.