OpenTechnical

OT-2026-000103884

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103884) never changes.

Identity and time

Publication numberOT-2026-000103884 · never reused
Internal UUID01a0aea5-15e7-7316-b32b-15b12f031c1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:09.781581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103884
StatusPUBLIC

Content hashes

Canonical text3501cbf659646f8f90d5882ebd0a12cb79f165d8328e55ba2e12908ec635c3c2
Markdown1c66043b688b6c1ed920d77ab6577edfbd8b82c2109ec58e0ab6c9868ff583ae
PDF
Publication page8ad0d7592225ab6b3a9d8e3d8d0353682029de126e014dc15c40a8d2cb6d2fec
Manifeste3ba7073099aeae6cea72d6c9b086ff1e3f9cc045b57e4a18d8e8f415e4f6893

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
SignatureK7HRXAHUwAziRNsB9w3DS/v4FlYDFMjhjTwvSnO95Je2/n7LAMpUgx/4L3+BPBAU/NBfWtH3vTFmhQ/dgreFCQ==
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

2026-09-17T09:21:52.273518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103884
observed 8ad0d7592225ab6b3a9d8e3d8d035368...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.256604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103884/manifest.json
observed e3ba7073099aeae6cea72d6c9b086ff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.239933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103884/publication.md
observed 1c66043b688b6c1ed920d77ab6577edf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:52.221346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103884/publication.txt
observed 3501cbf659646f8f90d5882ebd0a12cb...
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.