OpenTechnical

OT-2026-000013105

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, pulsed 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-2026-000013105) never changes.

Identity and time

Publication numberOT-2026-000013105 · never reused
Internal UUID01a0ae6d-6fc8-71b9-ad8f-71b72a4fb03e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013105
StatusPUBLIC

Content hashes

Canonical text286fea6780eb815fee2725012d8a0d62fa00295814c3ef8727312c911ffa5e34
Markdowna11d4868586ac6d98228debb1d32a25ff606b130b6031527f7efc921cb051e2e
PDF
Publication page1ee3cb316823cd66487b168a62ca2b21275216777c09ba468d90308d5f632aad
Manifestd7b505205a86badbe11898e906689df8c564c87f7980c722f55b5dcda316b68a

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
SignatureriDPDaWG0Fc7R1J2vcC3+BzJA12uYmXK6vr958C99BiYB89SkjH+rWwljRQ3+uhOgWuqOqMdd6r1Ihu3l3CNAg==
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

2026-09-17T12:09:23.240682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013105
observed 1ee3cb316823cd66487b168a62ca2b21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.219342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013105/manifest.json
observed d7b505205a86badbe11898e906689df8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.199446ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013105/publication.md
observed a11d4868586ac6d98228debb1d32a25f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:23.180373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013105/publication.txt
observed 286fea6780eb815fee2725012d8a0d62...
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.