OpenTechnical

OT-2026-000023040

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000023040) never changes.

Identity and time

Publication numberOT-2026-000023040 · never reused
Internal UUID01a0ae70-46ec-757f-b2dd-6ef4e7a917ff · 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-2026-000023040
StatusPUBLIC

Content hashes

Canonical text8e818e329c50e8947cdafdf1c2edcb1c48103de5387e8414c6c577e9d361c288
Markdownf36f25eb311361ac7d956fbd439192ad4a50e2c5375fe685792196918ede4534
PDF
Publication page92f79acfb70b43ee882f9ed3982dcf93c6021e756d12615dd70474375fda8231
Manifestd085ebb08d24332e13aeb126d779296cf0f85bbcaaf982b3ee48f917b72a417b

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
SignatureAEW1oh5x3sxIUGjuFJqIcszYkz83QsIrSrqfvKuE+VDihEDCTbDqXozFlPlpfusmOldQaS09S8xlSF42bxC6Dg==
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

2026-09-17T11:52:38.640331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023040
observed 92f79acfb70b43ee882f9ed3982dcf93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.622698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023040/manifest.json
observed d085ebb08d24332e13aeb126d779296c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.603570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023040/publication.md
observed f36f25eb311361ac7d956fbd439192ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:38.584278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023040/publication.txt
observed 8e818e329c50e8947cdafdf1c2edcb1c...
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.