OpenTechnical

OT-2026-000054661

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, vented 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-2026-000054661) never changes.

Identity and time

Publication numberOT-2026-000054661 · never reused
Internal UUID01a0ae86-1284-7ca4-99b5-999f67904826 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054661
StatusPUBLIC

Content hashes

Canonical text9cef9f53495a14d33215c3124a6632c25d2764bb05bb0642b782d8195e41a3bf
Markdown0d3f34f2029b472d2e3d0c10efe28ba7be80a8e46ee374c4503963dc70d3e804
PDF
Publication page4d8ce87d8d43bb0449cda8d104f920c83b83b9411c075ad9ca16394c8ad831e2
Manifest71e93b2f67884be65bc91257978167a05fa68ad5c16d7210950fe89428455b29

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
SignatureFYkVTLWPiMQBd0Lvas7FXfdyFhYGGEAv+5VpCjd3bzAIDDWMKqzm3x98u5g05mj4amn4qH+w4OVqIFegCXOeCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:43.988366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054661
observed 4d8ce87d8d43bb0449cda8d104f920c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.968684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054661/manifest.json
observed 71e93b2f67884be65bc91257978167a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.949403ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054661/publication.md
observed 0d3f34f2029b472d2e3d0c10efe28ba7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:43.930145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054661/publication.txt
observed 9cef9f53495a14d33215c3124a6632c2...
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.