OpenTechnical

OT-2026-000031566

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, single stage ejector, pulsed blow-off after 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-2026-000031566) never changes.

Identity and time

Publication numberOT-2026-000031566 · never reused
Internal UUID01a0ae74-87af-7c5c-80fb-6d10acc5cf39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031566
StatusPUBLIC

Content hashes

Canonical text19dda2f9bab057551f723d25f2f6c9b646848ee9cb13fd74dde09669a9345a9e
Markdown287b946a92642a28475d49ae595f0b29d942146328423983ebc6f51df07611a4
PDF
Publication page01d8de53e96b6055ed29a6bc90eee5f794244717d15c3616f0277d4b3e9d115b
Manifesta6940858c521e936370a97a8db3fda32a8c11e614c76088bfcbf508d5bfdf52c

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
SignatureIUqlw5/xLiPUbkY3E1UlVfQnG6v3oi7thIVFNv8SUefMj24TUFguKEADQeBOP8C0ybFOMgSscLzRRvGMUVeyCw==
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

2026-09-17T11:36:24.910576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031566
observed 01d8de53e96b6055ed29a6bc90eee5f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.891958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031566/manifest.json
observed a6940858c521e936370a97a8db3fda32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.874140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031566/publication.md
observed 287b946a92642a28475d49ae595f0b29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:24.855157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031566/publication.txt
observed 19dda2f9bab057551f723d25f2f6c9b6...
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.