OpenTechnical

OT-2026-000104300

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, 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-2026-000104300) never changes.

Identity and time

Publication numberOT-2026-000104300 · never reused
Internal UUID01a0aea5-3420-769a-aa3d-a9e3485344d3 · 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-2026-000104300
StatusPUBLIC

Content hashes

Canonical text2feb96004982361f2b2a48d4829f23ebe537594d83ecc2c376ef4f95eb069993
Markdown621841f670bf7ba34e863811543d7ce908ab11b3325b4b95f21130adf66439c8
PDF
Publication page91f17df0b25509bc7cb4128687db5a60b407bbcfddf483134e9713a858342d02
Manifest0ccbd817f8c7a92eee0fd7b8e49f2268f22259d6212d95249ac68248b7bba4a4

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
SignaturewKP6Yb9VhymdiBEdUS82KYlAc4bFZOkg1q2IGpHgdRFKA6gB0v1m2/sYfMdcYTl5RHs2DfVdT4WBUCT4WUwjCw==
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

2026-09-17T09:21:32.704369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104300
observed 91f17df0b25509bc7cb4128687db5a60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.685412ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104300/manifest.json
observed 0ccbd817f8c7a92eee0fd7b8e49f2268...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.668547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104300/publication.md
observed 621841f670bf7ba34e863811543d7ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:32.648533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104300/publication.txt
observed 2feb96004982361f2b2a48d4829f23eb...
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.