OpenTechnical

OT-2026-000055205

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, three 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-2026-000055205) never changes.

Identity and time

Publication numberOT-2026-000055205 · never reused
Internal UUID01a0ae86-a0fe-739a-8b4f-36066a11b598 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055205
StatusPUBLIC

Content hashes

Canonical text6269696f8b01f329ba9a9ad58199ff6ba66449fea68da4055797c2f783671e86
Markdown6e365dfba955bf527e7a1dc5816eff596d44effcecc00a7070f154cc1f1079c5
PDF
Publication page78ccd40f811547619922cf7413f09d6c21b973a9152099bf41da783dfd6a009c
Manifestc5d6cab94aa6fbd8f1f75ed43aebc54658a1850501229864f375a43193561e9e

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
SignatureLhs0fQ1GycumAalMKw7XCSagwYgArRgUK0geEMmHMoheddLg1nVBsqAe1f8XsgeVnMzG7Xsdx59MaQVMjVk+Bg==
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

2026-09-17T10:51:46.839313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055205
observed 78ccd40f811547619922cf7413f09d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.821230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055205/manifest.json
observed c5d6cab94aa6fbd8f1f75ed43aebc546...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.804783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055205/publication.md
observed 6e365dfba955bf527e7a1dc5816eff59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:51:46.786290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055205/publication.txt
observed 6269696f8b01f329ba9a9ad58199ff6b...
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.