OpenTechnical

OT-2026-000040705

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, sustained 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-2026-000040705) never changes.

Identity and time

Publication numberOT-2026-000040705 · never reused
Internal UUID01a0ae79-6d0f-7ebe-bee1-a2493ab391c5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040705
StatusPUBLIC

Content hashes

Canonical texta737b614929f3a7d2950803467182d6deb8ac977a6e5bdf91d6778a60c7e656b
Markdown803c99b2e145e0a6c0d34f486a3620c4000a12820ca2bfba236d111b45298429
PDF
Publication page063c33b407312daaa2787ee10493ff98d73e7cd1659c577f2d46f31d525faab4
Manifest79423f1ef2c5b957192022b4d414179f85fbfef2845c95da9608121ab5d1c323

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
Signaturef54Yt2mMOLAUHR17XdMYYzRK9bGLQ6irYEGJ6ARsWJHFROJ5mCQrmZFs3mI/52+ouw/eIMFJhomyS0EJ8nqDDw==
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

2026-09-17T11:17:54.323020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040705
observed 063c33b407312daaa2787ee10493ff98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.307207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040705/manifest.json
observed 79423f1ef2c5b957192022b4d414179f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.289428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040705/publication.md
observed 803c99b2e145e0a6c0d34f486a3620c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:54.272574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040705/publication.txt
observed a737b614929f3a7d2950803467182d6d...
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.