OpenTechnical

OT-2026-000038440

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000038440) never changes.

Identity and time

Publication numberOT-2026-000038440 · never reused
Internal UUID01a0ae78-2d53-700c-a212-226c9748b4ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038440
StatusPUBLIC

Content hashes

Canonical text9e3a7ff067ca62d8e6d6114b1fdb46a4925fbaecf866442a2f69c9aaa1ebde9c
Markdowna25c38b28ed388be5b2ceb7f66dabb78e1cea03d3214bf5e1eee9f8032b7ee59
PDF
Publication pagecb1260d4040d3807e0b9fe5c4ce5a62e6c9b9888bb5370708cb2a7f42fd4c666
Manifest59222ef6e0175a664da5ad108ddb91d2a8e28807761073de3c27693b622bfd7c

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
SignaturenH9QyM16fl3aXszqqILl4/gE3HGbMTzCWvW7y7+CsXkf+UTVcsGYWi2IqzWA9ceMSBfx8QHPyi8f5MC28tnGDg==
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

2026-09-17T11:22:40.119779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038440
observed cb1260d4040d3807e0b9fe5c4ce5a62e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.102078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038440/manifest.json
observed 59222ef6e0175a664da5ad108ddb91d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.084238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038440/publication.md
observed a25c38b28ed388be5b2ceb7f66dabb78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:40.067376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038440/publication.txt
observed 9e3a7ff067ca62d8e6d6114b1fdb46a4...
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.