OpenTechnical

OT-2026-000017931

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, 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-2026-000017931) never changes.

Identity and time

Publication numberOT-2026-000017931 · never reused
Internal UUID01a0ae6e-96fc-7bb6-9477-6c40944213e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017931
StatusPUBLIC

Content hashes

Canonical textec1867c3e84643d94125a4804a08f2c4f240a6f78a539f4e763fba5746b72bd9
Markdown5dd7d5647357880fa7b2fa1995e9f211a3568899e357915adf699895a96530e5
PDF
Publication page7fee67bf115bedf1f312ba7008cfb4283b33a87001cfd6603d9ebf57a7ba760e
Manifest830e701a8bbf54f9c52494a6b9ec3f3994fe1c71b28f663af35b68d9c87223b4

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
SignatureGmRT0OQRpEeqp0g4mXpIIWvqnHf0IPUHMowM/BOK1J6IDe1wBRq6PmlkIrrL03/gAB9Yz/rrzkEtiz8Xf2+UBg==
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

2026-09-17T12:01:55.604618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017931
observed 7fee67bf115bedf1f312ba7008cfb428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.588216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017931/manifest.json
observed 830e701a8bbf54f9c52494a6b9ec3f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.572387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017931/publication.md
observed 5dd7d5647357880fa7b2fa1995e9f211...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:55.556158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017931/publication.txt
observed ec1867c3e84643d94125a4804a08f2c4...
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.