OpenTechnical

OT-2026-000079132

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000079132) never changes.

Identity and time

Publication numberOT-2026-000079132 · never reused
Internal UUID01a0ae95-ccbf-738b-903c-ecd93df97b88 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079132
StatusPUBLIC

Content hashes

Canonical textccfd183bf03db412db1e9ed8b9d8b5c01a692a8d016b720a34d1bae05d5876bd
Markdowne112ebc3c3593cb980edfd35035819fc8cec89fe74ae109d23c0ee83cfad8f2e
PDF
Publication page5866da74be4669d7b31562bbb302426b3d4e720d2efca54badd31fd256542ca8
Manifestec195dc71cbd580db2fe14b95d4cd4b3d61d017c260ff21818c878c619a57069

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
SignatureU7GCs+3VBx3PR4llT0tecD91Yr1/XiODTveLyaRu5gDOIqiLdLT3IfuRP7qNyhCKbYAiVV8rIfFVLJw+JvBNAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:58.879202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079132
observed 5866da74be4669d7b31562bbb302426b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.861314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079132/manifest.json
observed ec195dc71cbd580db2fe14b95d4cd4b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.843409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079132/publication.md
observed e112ebc3c3593cb980edfd35035819fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:58.824158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079132/publication.txt
observed ccfd183bf03db412db1e9ed8b9d8b5c0...
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.