OpenTechnical

OT-2026-000037669

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000037669) never changes.

Identity and time

Publication numberOT-2026-000037669 · never reused
Internal UUID01a0ae77-b8cf-7735-9cf9-c4fc86102cbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037669
StatusPUBLIC

Content hashes

Canonical text78c16a67eb03bea1226a71d96fef0e18fc316075bf6a0e30dc924c899fc9223a
Markdown1214ad4aefe3516e5046a91a9a99ebfd3d94da65fecc101e6e0eeda3c111b956
PDF
Publication page6d8d58d26f29c57bbbcadc5e7ac60bb8e1d4aa5a665ff8eba6af20c7c8523dab
Manifest6bcf39b7a67a52624a01c5147ef07a36df1a0607318e1b0ea0f4e2fd73e6f85a

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
SignatureJn3CrRBAfUeDz6LeGKG2dZ0JjWF+miigH+YCNbdYXmvuJaEXj0NrXuQ9IOEb8cyZHVMZ/oMd9qfnh8XvxUzBBQ==
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

2026-09-17T11:24:14.739512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037669
observed 6d8d58d26f29c57bbbcadc5e7ac60bb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.724060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037669/manifest.json
observed 6bcf39b7a67a52624a01c5147ef07a36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.704672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037669/publication.md
observed 1214ad4aefe3516e5046a91a9a99ebfd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:14.687766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037669/publication.txt
observed 78c16a67eb03bea1226a71d96fef0e18...
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.