OpenTechnical

OT-2026-000038829

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, supply line 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-2026-000038829) never changes.

Identity and time

Publication numberOT-2026-000038829 · never reused
Internal UUID01a0ae78-769f-74ab-8318-f1898ec9c958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038829
StatusPUBLIC

Content hashes

Canonical texte0b2190c771549c8882b09c363619747ce8323ec8aeb8c0fc310e2fe0ba66e80
Markdownb7089b3f9c9e931381ef3eaaa124bcbac3d8403f6491f1a0e65d63bd7172e205
PDF
Publication paged2da3d58b9598f120d57dd57a022bb8dcccf9c5da91ec4816fcaa80e48fe568f
Manifest8b2ea98fca1ad0a6a2831495ca76d53a4bb7343c81ccf0cfc6262fbe413b0663

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
SignaturedwDGjTDa8lH/zRFcirqhuORBbXHRISppQo6jIAJbO8o9QRZWqQ7enusHLJxuNjM3R9tCBiWaglz/iyR5IgXECA==
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

2026-09-17T11:21:23.616831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038829
observed d2da3d58b9598f120d57dd57a022bb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.599469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038829/manifest.json
observed 8b2ea98fca1ad0a6a2831495ca76d53a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.579950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038829/publication.md
observed b7089b3f9c9e931381ef3eaaa124bcba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.561185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038829/publication.txt
observed e0b2190c771549c8882b09c363619747...
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.