OpenTechnical

OT-2026-000060928

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000060928) never changes.

Identity and time

Publication numberOT-2026-000060928 · never reused
Internal UUID01a0ae8b-12f2-7a74-bee4-fc520aa53205 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060928
StatusPUBLIC

Content hashes

Canonical text5c5d1af6e184aef678b251ebbcb356a76801f33d99a0ccaaed10bfab6c36857f
Markdown4b4da13bfe7f169964a5bb7d6af5d7f6c4dfb66350b97456d1dd7a0aff3b56ae
PDF
Publication paged5dda8c3e21e9cbefb5aada4a44d6c622d371a39c352ae447b1bbb37a2a6e2f7
Manifestb43a6f6f40c6f536f5bcd8705b56c125b7b436d127fd80d8fe3c8ac18a37cba5

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
Signaturey7PXYjEdkGdq7a9mWJhCJol9in3m0WjzSBMq4Ak7rU0DXYTHr7K3POj/Ql4lfVIFy3MI8SwCypIERiuMPu2lDg==
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...

Independent retrieval

2026-09-17T10:42:11.849796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060928
observed d5dda8c3e21e9cbefb5aada4a44d6c62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.830721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060928/manifest.json
observed b43a6f6f40c6f536f5bcd8705b56c125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.813382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060928/publication.md
observed 4b4da13bfe7f169964a5bb7d6af5d7f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:11.794468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060928/publication.txt
observed 5c5d1af6e184aef678b251ebbcb356a7...
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.