OpenTechnical

OT-2026-000102184

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, 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-2026-000102184) never changes.

Identity and time

Publication numberOT-2026-000102184 · never reused
Internal UUID01a0aea4-50f3-7483-a180-6b7e96f94679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102184
StatusPUBLIC

Content hashes

Canonical text2310bf1ce70c4c4612faa45c419b337f4f869a3ca435e541c7783528e56660fa
Markdown921e0441b8006058d3c6d75dc66b23f13d797436289e81404b9cc14f8b9a3f61
PDF
Publication page10a10e497458f9230b1a6d13df10757d0a1adfce889c0b643909100d969239a2
Manifestd81fa6ced158efb6e2bd9b94ae45c47cc86d2a5c3bc5dbbd8df84b2dc96c3b3f

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
SignatureiKeaXZI6PnUbUgVLBkbtacRupcysj9sx7mIiMxYDF7YOAoOEKtFoj/K0V786eZX/cR0n78dI2JXfwqFUIAEuBQ==
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

2026-09-17T09:25:21.383592ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102184
observed 10a10e497458f9230b1a6d13df10757d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.366269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102184/manifest.json
observed d81fa6ced158efb6e2bd9b94ae45c47c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.347688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102184/publication.md
observed 921e0441b8006058d3c6d75dc66b23f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:21.328389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102184/publication.txt
observed 2310bf1ce70c4c4612faa45c419b337f...
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.