OpenTechnical

OT-2026-000104053

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three 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-2026-000104053) never changes.

Identity and time

Publication numberOT-2026-000104053 · never reused
Internal UUID01a0aea5-341e-7e8b-8697-56014c291ba2 · 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-2026-000104053
StatusPUBLIC

Content hashes

Canonical textd0d6b26f6eeb1f98490a5f5f09092771e789949cbb683e00408f3cc4d3626cf0
Markdown44e91bb198339ddcdd4c212716dcc8aa9f92ef801edf075189b5755a68225e9a
PDF
Publication page7d2be08ba7d7f0b8079338add323e4effa87c31604d9d89e3ff5f39c2dbf7483
Manifest849b62b777765d04a0f85df104b9dbdeb11e8692d7b40833e09d2338ebf8acaf

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
SignaturePeL3377mAnDxMr5NTtg0YWXUMID/6dIaGE/czoREqogyWV7gFaUFwZvPg4htVqH7QxhfkdkYMm+Thi7/+vnwBg==
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

2026-09-17T09:20:07.269460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104053
observed 7d2be08ba7d7f0b8079338add323e4ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.251193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104053/manifest.json
observed 849b62b777765d04a0f85df104b9dbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.233574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104053/publication.md
observed 44e91bb198339ddcdd4c212716dcc8aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.215420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104053/publication.txt
observed d0d6b26f6eeb1f98490a5f5f09092771...
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.