OpenTechnical

OT-2026-000047922

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000047922) never changes.

Identity and time

Publication numberOT-2026-000047922 · never reused
Internal UUID01a0ae7f-c422-76c9-b39c-8fc98b7be855 · 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-2026-000047922
StatusPUBLIC

Content hashes

Canonical textb8250291ce324ed98a2ccdbf0d7845a8e5bafef3ceed9f210e57f7c5a62ca8c6
Markdowncd5ac6b728dab9eb4ab9355c308fa3722ba288b0f5a0f6cadae6f955f8823f6a
PDF
Publication page899cbe213c813a1c5d887be6fca3139a245e840b8f98b8e9682c6e2575ff8361
Manifestfeefe99bfa0ae8f384b38b3c0d1ce49c64c119f08a3af36bb78f8f467337cd3a

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
Signature3tz6i5UrH2ks538qqRo3z4SvTkcSNpBk9YyP8qO3jABEoARbylrSAjlasZGmehu7t5xCS5qfBN62VfPmTCNMCg==
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

2026-09-17T11:05:52.693899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047922
observed 899cbe213c813a1c5d887be6fca3139a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.674070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047922/manifest.json
observed feefe99bfa0ae8f384b38b3c0d1ce49c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.654101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047922/publication.md
observed cd5ac6b728dab9eb4ab9355c308fa372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:52.633795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047922/publication.txt
observed b8250291ce324ed98a2ccdbf0d7845a8...
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.