OpenTechnical

OT-2026-000055640

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000055640) never changes.

Identity and time

Publication numberOT-2026-000055640 · never reused
Internal UUID01a0ae86-a103-72dc-8e26-9284ba8a0219 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055640
StatusPUBLIC

Content hashes

Canonical text35d4ee69347f6c2011ae4a9bb7e55cd4fba71360a12dd5022eb2218b9efd7332
Markdown54358f07e7263839a31d287952d6fec9fc5aade77597bbe53ba1c7ba24e1bb32
PDF
Publication pagee8b62638d2a7de662b1e7d2ee18ba3f396f0365cb20b419bd11adf0caa8b191e
Manifest6cdc559578628e2a47c32c5a644be0a7be19be18fb42a34b2611b2d66515745b

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
SignatureRDMEQ4DyVgPwP31MuFfeal58qczXRQckaCWOMuIDk8d9XD9JIRdR5RYilsp0XPCodXajj7V/z0vY9cNnF8hxAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:53.593273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055640
observed e8b62638d2a7de662b1e7d2ee18ba3f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.574615ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055640/manifest.json
observed 6cdc559578628e2a47c32c5a644be0a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.556884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055640/publication.md
observed 54358f07e7263839a31d287952d6fec9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:53.538133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055640/publication.txt
observed 35d4ee69347f6c2011ae4a9bb7e55cd4...
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.