OpenTechnical

OT-2026-000074269

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000074269) never changes.

Identity and time

Publication numberOT-2026-000074269 · never reused
Internal UUID01a0ae93-7178-779c-8782-e40da33f2973 · 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-2026-000074269
StatusPUBLIC

Content hashes

Canonical textfd980714f434ab934dcdd5010387fe338bc9b2db1f666c216c0c39152d71f174
Markdown8baa3049fbe64314818acc6373cd222325bbb05e4a7c18a3423f302f6dabd6e2
PDF
Publication pagede0e87780232c2d9f4400923e09510d624810e33ff3c9162f80bb09ed85eca8c
Manifest9706d0b5f7b88ae01be72ba2655e8c47afbc2a13372e53a7a02dde6bac4e690d

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
SignatureYlQ5ZmGU5dIZVIl5sM/vb9logVsqjFRWAv0UK5G+n+xsvRNsHXS4+nXI4xxIncCfgWcOwZdmlYTXmTSnuT13CQ==
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

2026-09-17T10:19:10.430503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074269
observed de0e87780232c2d9f4400923e09510d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.411116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074269/manifest.json
observed 9706d0b5f7b88ae01be72ba2655e8c47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.392432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074269/publication.md
observed 8baa3049fbe64314818acc6373cd2223...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:10.373874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074269/publication.txt
observed fd980714f434ab934dcdd5010387fe33...
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.