OpenTechnical

OT-2026-000056667

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, supply line 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-2026-000056667) never changes.

Identity and time

Publication numberOT-2026-000056667 · never reused
Internal UUID01a0ae87-7af6-72e5-84bf-107501c9c3cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056667
StatusPUBLIC

Content hashes

Canonical textc65261240a75cc9b80b5e2d73fdaed528a28ab9a5be76382bfd2db28ddb4c9a4
Markdowna39f47a41f4c58b30fdbd3ff8fa508d4c18a4384251728acc03c7de468babbb8
PDF
Publication page3037f547b4afb29c8ef32a750ccfd4518cdb6d64bcbc5d78ad0c1eb52e827956
Manifesteb764fe06bbeadea47d735bc1f46ba59384f3573129cdd6145c68ab8b1f953a7

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
SignaturenwqExQCqrlDrYO49CaIDnz8AkZ9SFfSCOR/gOd9D0bkqiZBUNDOatVkcYupgG+lzPPXJF6LwZ9tp1qoGyWucDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:03.734766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056667
observed 3037f547b4afb29c8ef32a750ccfd451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.712107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056667/manifest.json
observed eb764fe06bbeadea47d735bc1f46ba59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.691725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056667/publication.md
observed a39f47a41f4c58b30fdbd3ff8fa508d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:03.670643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056667/publication.txt
observed c65261240a75cc9b80b5e2d73fdaed52...
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.