OpenTechnical

OT-2026-000050112

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000050112) never changes.

Identity and time

Publication numberOT-2026-000050112 · never reused
Internal UUID01a0ae81-fd79-7ea9-bae3-9519692cea05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050112
StatusPUBLIC

Content hashes

Canonical text733265a9f7f5fca2cf23403a7df07bed46ffc6849e73831d5b8cf86493968092
Markdown8ae54023fccd61337cdb9c045f606130386094123323307961b884d58ec90d0b
PDF
Publication page4a56173cfc0eebefe48c8bcce013dc770e6d7f050819f2ea39e61c710bad6de1
Manifest9b68a4e245b5de38fcde03d92218fb33cd18e874a809dd37d221c940b1ff4bb6

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
SignatureS6SyTD8rt+khZu1CnDnkHvl1NpNCO7lxihR2SbzfucDVZnl6OH46dfIhy/41dfTRfK2s/qE5c5qsf+O97zzqBg==
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

2026-09-17T11:02:06.910609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050112
observed 4a56173cfc0eebefe48c8bcce013dc77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.893272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050112/manifest.json
observed 9b68a4e245b5de38fcde03d92218fb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.876455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050112/publication.md
observed 8ae54023fccd61337cdb9c045f606130...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:06.858998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050112/publication.txt
observed 733265a9f7f5fca2cf23403a7df07bed...
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.