OpenTechnical

OT-2026-000022889

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000022889) never changes.

Identity and time

Publication numberOT-2026-000022889 · never reused
Internal UUID01a0ae70-46eb-7182-a543-8ba4323f8f8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022889
StatusPUBLIC

Content hashes

Canonical textb14f7a29fc27948d4c871775ca1efbdf94716f6513e83cd397939ecd380a952d
Markdownc76773059c45ebfcaaf2ca4617a2b314a6bec2daa5415ef1d6b01236121e3e39
PDF
Publication page458d091422f4e8d95d2cd1421ebc6774cd5e2a26861dc3cd79cbe3ffd97b0cee
Manifesteeb7db2cfd3d194b8e1cc49888677b04b39b26e96ce5cb31a07416e11eddb74c

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
SignatureozBxNdNpE1Wqx8kSedlCGrnS5/fx2K5arAD7eby+62e2j+FWSJ62W7w2U5YmvGefOUjgSIow6EcHjvRx01ctBQ==
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

2026-09-17T11:52:27.547223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022889
observed 458d091422f4e8d95d2cd1421ebc6774...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.529794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022889/manifest.json
observed eeb7db2cfd3d194b8e1cc49888677b04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.510409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022889/publication.md
observed c76773059c45ebfcaaf2ca4617a2b314...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:27.491651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022889/publication.txt
observed b14f7a29fc27948d4c871775ca1efbdf...
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.