OpenTechnical

OT-2026-000044631

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, single 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-2026-000044631) never changes.

Identity and time

Publication numberOT-2026-000044631 · never reused
Internal UUID01a0ae7c-39d9-779a-9b4d-f2b36fc67208 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:32.012327Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044631
StatusPUBLIC

Content hashes

Canonical text6ee6ac6efcdb5f071126c8f123ea5bbaa7fc49c67adc4de4edbc467d709aedc1
Markdownf72de43f5b7e25f681c1479a1d72e14c522b3c7216a00274f3d60d6802db31b4
PDF
Publication page55d32f06db371e0ebe4e9dd87c7c39df0de424399d9f443eb83a7e9484e4f2db
Manifest2dd6fa8bf2a6dfa0738f5c054a5f5b254fba08d0033518939165a671588f345d

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
Signature/2ygd1IMsNUyJVnP6Vziwb5ItvQBkpvWAELrPpOveC7RdtJdwbkZ0IboElrI7342tBbyHOp1gKM5bojWVehmCA==
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

2026-09-17T11:11:52.256527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044631
observed 55d32f06db371e0ebe4e9dd87c7c39df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.237502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044631/manifest.json
observed 2dd6fa8bf2a6dfa0738f5c054a5f5b25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.216479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044631/publication.md
observed f72de43f5b7e25f681c1479a1d72e14c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:52.195747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044631/publication.txt
observed 6ee6ac6efcdb5f071126c8f123ea5bba...
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.