OpenTechnical

OT-2026-000049389

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained 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-2026-000049389) never changes.

Identity and time

Publication numberOT-2026-000049389 · never reused
Internal UUID01a0ae81-8f7b-7bbb-b5fd-6348f9e67f96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049389
StatusPUBLIC

Content hashes

Canonical text487585c8e074f8e81aab39a9c2a9206ca9168c7b75bba95432a8ec477fe902fb
Markdown332fb03fd60eb2c18bfbc34b2f424b589d6d3859fdb5405dea07423bba764239
PDF
Publication page5d3ed7bd4beb602b17ee34c6eabd52c2ede5139a81d754640f2be68bf38482db
Manifest78521d921634c3f0af0d277e7a1d846e4b49c2a4bdb3b0ed91b94e5b0ff63da8

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
SignaturensWVKmpkRaJcl+I+v3e0xT/CSh0TrDeXjVQjG6ng5sc9N4pAhUQGdo0ISCol+CL1v0FqswB1ODVQNzjFBufKCQ==
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

2026-09-17T11:02:12.083495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049389
observed 5d3ed7bd4beb602b17ee34c6eabd52c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.065699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049389/manifest.json
observed 78521d921634c3f0af0d277e7a1d846e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.046752ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049389/publication.md
observed 332fb03fd60eb2c18bfbc34b2f424b58...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:12.027544ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049389/publication.txt
observed 487585c8e074f8e81aab39a9c2a9206c...
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.