OpenTechnical

OT-2026-000049139

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000049139) never changes.

Identity and time

Publication numberOT-2026-000049139 · never reused
Internal UUID01a0ae81-134e-7b83-8a75-e6913ec79d81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049139
StatusPUBLIC

Content hashes

Canonical textbd4f6841f9e4aaa082ba35f7bd181aee14c1e73564de68917ded4104aa9e6b0d
Markdown408e94bfabbb1e88e90e53cbdf0dad0b57e08684dd4fdf60dff8ea4808165aa4
PDF
Publication page15333d6856260c9a23e864b5126be9f382cdf23cf50d404f98ac40e8ec84280b
Manifestdd1b243374cdce386ec7d33bc2a5b0d015682359c6435b1d6c90aa18b90b2c3e

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
Signature5xu/r6SrtsXLDmaUCxnj789VC+iO41F4SYxj9cL8/8Te/PwwvWfKUjusyb0AraSfvLReKDXlr8LOqXYeLskPDA==
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

2026-09-17T11:03:24.587578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049139
observed 15333d6856260c9a23e864b5126be9f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.569536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049139/manifest.json
observed dd1b243374cdce386ec7d33bc2a5b0d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.548982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049139/publication.md
observed 408e94bfabbb1e88e90e53cbdf0dad0b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:24.529680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049139/publication.txt
observed bd4f6841f9e4aaa082ba35f7bd181aee...
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.