OpenTechnical

OT-2026-000100808

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100808) never changes.

Identity and time

Publication numberOT-2026-000100808 · never reused
Internal UUID01a0aea3-66f5-7afb-a5a3-e7d668a6457e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100808
StatusPUBLIC

Content hashes

Canonical text6b323ccfd1fa3d0a14e30c5a84dca4dc6a721536542f4a76e3f9bec6d061f430
Markdown12cbad19093157108819537c4a96fd29175e43a9829259e6024b3c0567dd250d
PDF
Publication page3075633f643dd973d02b36590e1098768392671e1757e543a39524ad91c0e366
Manifest66ffecb7197aee27ef36f603bb0d63b67aebd8836aecd8e3784b88a8a9d2fc4e

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
SignatureG9ZE32yzrzxkB8lUjvRxH7E3IKhKqcex+1R9ITSFPiTX6EuHVjIo8sPtCNZeeY4uctoGbQogAHAVSJWUySN4DA==
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

2026-09-17T09:27:43.468282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100808
observed 3075633f643dd973d02b36590e109876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.450166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100808/manifest.json
observed 66ffecb7197aee27ef36f603bb0d63b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.429569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100808/publication.md
observed 12cbad19093157108819537c4a96fd29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:43.409760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100808/publication.txt
observed 6b323ccfd1fa3d0a14e30c5a84dca4dc...
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.