OpenTechnical

OT-2026-000074272

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, supply line pressure sensor, vented before set-down

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-2026-000074272) never changes.

Identity and time

Publication numberOT-2026-000074272 · never reused
Internal UUID01a0ae93-7178-70ce-b923-88a7a47a49f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074272
StatusPUBLIC

Content hashes

Canonical text0ff5e8faee71b5faeccd8d94ae5913188936c4504d1abc1211f29f045f56088c
Markdowna21f7f30bd2f9213b506679d31fafb4d9a964127abcd243215e0b29aaa3e4eda
PDF
Publication page65c0137d5f39621b5aa3a2046d04664a538736674bab13207e004eaf4dd67149
Manifest5f8a63f2b9c9530806b2e805e138c91738b6048b1760a2adba0685f15636aeb5

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
SignaturetEpqDOOci8wjBrvT07thKDMD042CocDmILJlXqIC4PUXTPGOtBagGuiDRzhvW2H3i+xdOa5JjPEpD94eoo9EBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:19:05.468266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074272
observed 65c0137d5f39621b5aa3a2046d04664a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.447611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074272/manifest.json
observed 5f8a63f2b9c9530806b2e805e138c917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.428497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074272/publication.md
observed a21f7f30bd2f9213b506679d31fafb4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:05.379911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074272/publication.txt
observed 0ff5e8faee71b5faeccd8d94ae591318...
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.