OpenTechnical

OT-2026-000104104

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000104104) never changes.

Identity and time

Publication numberOT-2026-000104104 · never reused
Internal UUID01a0aea5-341f-7c71-a90f-610d49107a74 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104104
StatusPUBLIC

Content hashes

Canonical text0df6e652e26faa45c8b8a9f27f3ff61747c6f915606237f9f105b075fed5cab0
Markdown0d992bbc06ff614b1d7e49a5d8db1b8d5047d69bf677af8170d0914063a67584
PDF
Publication page4a4b29ebe0a0ba9a72f58a6d1c222f7640543f5ffbfb962c377d70092aca025d
Manifest8a2e26e5086a1a0ad8bc83229b8a49202059ef3d94b9d3ee96d48ca010ee8bc0

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
Signatureh2yHEHndRXKmX9DNdA8utxD77ekbLfSW4WUDQq8+hg6I0hCps6684rV8Rcf9/gvbHqt/R7V74t+p9OKpeE13DA==
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

2026-09-17T09:20:10.680119ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104104
observed 4a4b29ebe0a0ba9a72f58a6d1c222f76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.661377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104104/manifest.json
observed 8a2e26e5086a1a0ad8bc83229b8a4920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.612536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104104/publication.md
observed 0d992bbc06ff614b1d7e49a5d8db1b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.565295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104104/publication.txt
observed 0df6e652e26faa45c8b8a9f27f3ff617...
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.