OpenTechnical

OT-2026-000041788

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, pulsed 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-2026-000041788) never changes.

Identity and time

Publication numberOT-2026-000041788 · never reused
Internal UUID01a0ae79-e8a3-78c6-9fa4-3061a64af837 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041788
StatusPUBLIC

Content hashes

Canonical text9da87542064343a741abb2b795540189546c4a702f3d5984767e8cadb9393e9c
Markdown6599d2dd8480ccef21a7d3c9ff23dbc22f37d4a32def84dde5a050de7b741d14
PDF
Publication pagedab8a916237174523d7dade1262b14cbb8d81b9b2ddbfb921e8b827144d1cb7c
Manifest0518db20933b6863e739674f63a18092234ee39087a20858cd8cd891fdb04653

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
Signature7SmU1let2L5PC00l4WNimXNEi7DBH0LJfWWE9+Uxclwz1lBbl1n6XTbhIOzVBWJa/G7cHPywB0WcC0GndzAfCg==
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

2026-09-17T11:16:38.468000ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041788
observed dab8a916237174523d7dade1262b14cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.450557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041788/manifest.json
observed 0518db20933b6863e739674f63a18092...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.433129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041788/publication.md
observed 6599d2dd8480ccef21a7d3c9ff23dbc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:38.414211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041788/publication.txt
observed 9da87542064343a741abb2b795540189...
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.