OpenTechnical

OT-2026-000099190

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, sustained blow-off before 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-2026-000099190) never changes.

Identity and time

Publication numberOT-2026-000099190 · never reused
Internal UUID01a0aea2-8288-7431-a413-741d7a82ba0b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:20.980080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099190
StatusPUBLIC

Content hashes

Canonical text14ddf799975c818c4a60f14afa9139b4ba6c666fbef19d4f766f48f6d63f0089
Markdown4974b928221277ecc4543bbd1a788c0251c14ac113978543e40ce345401eca5f
PDF
Publication pagea2eb3ac8e8f972a54c5a3d671b99c7b7ed0f49dea1b23789f3c2e52a2a091b00
Manifestcd40be79672364284791dc26cf591b61de2c0d5990a4f759df04b42c1b3af386

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
SignaturenB3uFe9PBo+t7qf/mZIrKBOuEfC8yLdfq673hAc3BdTbJK0w/0Z8qKTiOoco1yMXILOZ2+9btwTbS9okS0E+CA==
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

2026-09-17T09:30:34.759695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099190
observed a2eb3ac8e8f972a54c5a3d671b99c7b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.741234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099190/manifest.json
observed cd40be79672364284791dc26cf591b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.719982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099190/publication.md
observed 4974b928221277ecc4543bbd1a788c02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:34.700459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099190/publication.txt
observed 14ddf799975c818c4a60f14afa9139b4...
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.