OpenTechnical

OT-2026-000019860

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed blow-off before 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-2026-000019860) never changes.

Identity and time

Publication numberOT-2026-000019860 · never reused
Internal UUID01a0ae6f-1fb6-7d2b-8b0e-4b12932f7e4c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019860
StatusPUBLIC

Content hashes

Canonical text2c2a48fb350fd1b4ef6edb2ea7c573762c97fcaf51424926a231bc2a8b80e150
Markdown9ec1ad49617018efb7df05ac8434971eb46a621ab9aeeb82f25eb45cc55f7a08
PDF
Publication page409585066a8f756ff46ab5516b5620bdae7f900847e2ac15e1ca64597d9fd74a
Manifest5f59ca2bee2555da24b035f21079b47adb04ac636a9fbedb4e0531d3bee57d00

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
SignatureGggSVvKQpQ5ZPZuoK1ZtgQiYyHaCRG0q+a5stu+ZShcHvcGBDzQpswpUbkdBqjBx3OiprkayNaHLEpdwghQUBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:58:03.586343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019860
observed 409585066a8f756ff46ab5516b5620bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.566841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019860/manifest.json
observed 5f59ca2bee2555da24b035f21079b47a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.546796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019860/publication.md
observed 9ec1ad49617018efb7df05ac8434971e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:03.528702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019860/publication.txt
observed 2c2a48fb350fd1b4ef6edb2ea7c57376...
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.