OpenTechnical

OT-2026-000061042

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, pump fed, vented 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-2026-000061042) never changes.

Identity and time

Publication numberOT-2026-000061042 · never reused
Internal UUID01a0ae8b-137d-70fc-9695-e46ddebaf67c · 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-2026-000061042
StatusPUBLIC

Content hashes

Canonical text3ebe5c1dce68c7b5747075b985e72fe9df9891d832ef20b51836977405639295
Markdown0f0049f52bc7be61a68bd26d70a155fcead3766663f5b2944a4c0801a61b8d0e
PDF
Publication page48bb9863313816d3f548d0a41066c15206428833b1cc5cdb35532610d0a54f6e
Manifesta25932a9abfa86b98416478d39587545711e3cf650c6d3b853605a0a9e7822ea

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
SignatureBsPD97U55xoxVYW+ZGGymXnY7g4Jw+TSJIZ2qotAr8xWpey02xhtogMD/4pmJXqDK79U/OEbHMxkS4LXJQycBw==
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

2026-09-17T10:42:23.609711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061042
observed 48bb9863313816d3f548d0a41066c152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.592129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061042/manifest.json
observed a25932a9abfa86b98416478d39587545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.575819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061042/publication.md
observed 0f0049f52bc7be61a68bd26d70a155fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:23.559107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061042/publication.txt
observed 3ebe5c1dce68c7b5747075b985e72fe9...
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.