OpenTechnical

OT-2026-000049384

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, manifold pressure sensor, pulsed 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-2026-000049384) never changes.

Identity and time

Publication numberOT-2026-000049384 · never reused
Internal UUID01a0ae81-8f7b-73d7-91bc-e83edece8c41 · 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-2026-000049384
StatusPUBLIC

Content hashes

Canonical textc832260f5cd5de04c4c208e8d3a79382b6a7177a21e4a8a20470ad15b0e90055
Markdownfb3ffe25685279d14ce06d77c0a89703076af585f2127ae7c3715d6ff488d90e
PDF
Publication page253a8e72361a58121a0b8d70ca116ea299ecac10b305aca18ebce392379c4400
Manifest1999ddfcfb96a61bfdee2f77a8aa4659391f7599d276fe2d166498a65e81fafe

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
Signatureh+a2bnAFcvNJGta9E1hInOeD8X/SOe3p/R2wefH/cSZWiSbNjCs7AtOBr2zBzrCiUH47gJv6O18Ykhg3vwPtAg==
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

2026-09-17T11:02:11.665961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049384
observed 253a8e72361a58121a0b8d70ca116ea2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.647675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049384/manifest.json
observed 1999ddfcfb96a61bfdee2f77a8aa4659...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.629212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049384/publication.md
observed fb3ffe25685279d14ce06d77c0a89703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:11.609327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049384/publication.txt
observed c832260f5cd5de04c4c208e8d3a79382...
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.