OpenTechnical

OT-2026-000097419

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, supply line pressure sensor, sustained 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-2026-000097419) never changes.

Identity and time

Publication numberOT-2026-000097419 · never reused
Internal UUID01a0aea1-55b2-7981-99f9-b00da7919d29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097419
StatusPUBLIC

Content hashes

Canonical text61dd3407904d0d0cb5bdf4b513af239dd53490f28051fd67b702c9eec4fecec4
Markdownaeccca536ff71323a563c2bda3b1739c6e4ed03e32ebfe43bf88a7eac7a0af5c
PDF
Publication page41387810795d954cff477106b8ba272a21d6a477d6ffdcd6d9c36593fdd1e762
Manifestc5a0a158a8676ce050eef42008701b1935cb937c27808af3a605d83442c82380

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
SignaturebvuHz01ftteQWwf9Def5hPK1EAtp396SdAglMaC1R3P9+dcqg2xO8OqAjq4q6gBbxINjl84GplrRNRqlMi16CA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:16.299863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097419
observed 41387810795d954cff477106b8ba272a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.282059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097419/manifest.json
observed c5a0a158a8676ce050eef42008701b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.262389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097419/publication.md
observed aeccca536ff71323a563c2bda3b1739c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:16.242686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097419/publication.txt
observed 61dd3407904d0d0cb5bdf4b513af239d...
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.