OpenTechnical

OT-2026-000020914

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, 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-2026-000020914) never changes.

Identity and time

Publication numberOT-2026-000020914 · never reused
Internal UUID01a0ae6f-65e4-7989-8ee2-3dd4df7330b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020914
StatusPUBLIC

Content hashes

Canonical text98369c66f36407b874a1a98cb69686ee9fc767e6e805b50f8f45606c3e448bae
Markdown9611c077c75dcf003893af6b7f84f88a552de0749cf3f9ce899ead8c1adc919d
PDF
Publication pagefbeb1f23b724ac00211fc5c7aa358634ec4bde8ab9af48717288a7e9b94b74a6
Manifest06a1875c782dbb346f2aa17829759a81f826fa0ca6ecad528c0e6b07c3ea5a40

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
SignatureR1DlYH7wxBm2KokazAQ8L+GdQdHUJspPNXkBnXOfyLZtHWq07byOdb3HRy/lo1OrgN/BLH02NbV7Bs3zv13YDQ==
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

2026-09-17T11:56:02.078053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020914
observed fbeb1f23b724ac00211fc5c7aa358634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.059971ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020914/manifest.json
observed 06a1875c782dbb346f2aa17829759a81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.042130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020914/publication.md
observed 9611c077c75dcf003893af6b7f84f88a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:02.023918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020914/publication.txt
observed 98369c66f36407b874a1a98cb69686ee...
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.