OpenTechnical

OT-2026-000027824

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off 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-2026-000027824) never changes.

Identity and time

Publication numberOT-2026-000027824 · never reused
Internal UUID01a0ae72-a4a5-7e63-9436-c4c289cd10e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027824
StatusPUBLIC

Content hashes

Canonical textfceafeb625fcbf95950e53b788d7739024fc58e10331ba0a86a371df634809d3
Markdownef3b07e048add25b8b7d050ec01cb69d632f51c1790e434ef126f8cf85d35b1c
PDF
Publication pagef02760dc7a7f9d12a2b060d5b90ff55f80809b6ce249e2f8b74c4d559e29dc66
Manifest27ad02af4a01c5128d9bec4365ac191189775c5dd507bafb73f0ba0cf8b54bcf

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
Signature4+0w7t5il6ZbKJLJBzPHA1cmBdsPjn8Clfbczn2ExctdPFnHSIQH9E323r1xIvxMz1t7HAtI2uLOJ/KREpPjBw==
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

2026-09-17T11:41:52.735940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027824
observed f02760dc7a7f9d12a2b060d5b90ff55f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.717496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027824/manifest.json
observed 27ad02af4a01c5128d9bec4365ac1911...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.697960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027824/publication.md
observed ef3b07e048add25b8b7d050ec01cb69d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:41:52.679736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027824/publication.txt
observed fceafeb625fcbf95950e53b788d77390...
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.