OpenTechnical

OT-2026-000099676

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099676) never changes.

Identity and time

Publication numberOT-2026-000099676 · never reused
Internal UUID01a0aea2-c976-7548-b46e-513fa6163efd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099676
StatusPUBLIC

Content hashes

Canonical text96b9bbe38a7605bb755125ab3e47e933a1e81173901ccaf54464b17d8186e35e
Markdown69e29bbb22d41d3ca73a6b1fa6e8a9a4a259e6e366f8257497b31413f9a7e61e
PDF
Publication page1c86c5c0d7ad7e25f47137c24b1d1db6a5cec1804a29d83e68a079379372301d
Manifeste4053f310ee8e6ac4c7dcfdac04ae74971fc4b3725780dca4109df870c2fd83b

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
SignatureCuh+m7N+LgjdSla5xOufso6upkWfLGgXU7o6uokE33dB6r34aewo6YDh6SRQqnma1NOqdR4QtbHh4V7xZoKSBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:37.216838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099676
observed 1c86c5c0d7ad7e25f47137c24b1d1db6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.197674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099676/manifest.json
observed e4053f310ee8e6ac4c7dcfdac04ae749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.178424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099676/publication.md
observed 69e29bbb22d41d3ca73a6b1fa6e8a9a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:37.161539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099676/publication.txt
observed 96b9bbe38a7605bb755125ab3e47e933...
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.