OpenTechnical

OT-2026-000023178

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, sustained 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-2026-000023178) never changes.

Identity and time

Publication numberOT-2026-000023178 · never reused
Internal UUID01a0ae70-7267-7e29-8d39-d35d51eb9a1d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023178
StatusPUBLIC

Content hashes

Canonical text24708b71774c953a33849fef52e3d0583963e12041350c47d82942262c2a24f8
Markdown497fd75a6b42daae79bc7c67a0feecf06a1b754b5d512a050b95f386fe96358e
PDF
Publication paged039c6943b6990823bb1b5b761599cd0eefbd3771ec24d6aedc5338ded0ef427
Manifest4d75714e24e678af466241c7821ff0d37c814299e2d2e3148c678ee75050cdd1

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
SignatureuY21lbPHjmNd0Or8lcrVtvpMAy8Z4qyOPEIWbF+Ja7MJ5sCV3MedxxF+tzuMkuy/x3mbkSdJV7GyfOHMifo3Dw==
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

2026-09-17T11:51:07.479082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023178
observed d039c6943b6990823bb1b5b761599cd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.461806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023178/manifest.json
observed 4d75714e24e678af466241c7821ff0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.444017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023178/publication.md
observed 497fd75a6b42daae79bc7c67a0feecf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:07.426518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023178/publication.txt
observed 24708b71774c953a33849fef52e3d058...
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.