OpenTechnical

OT-2026-000047237

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000047237) never changes.

Identity and time

Publication numberOT-2026-000047237 · never reused
Internal UUID01a0ae7f-3e56-7678-8e99-5ca8659c60c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047237
StatusPUBLIC

Content hashes

Canonical textae06ba1413ef8bd0664fcd130381997aa4cbb26106624faee309854313fa6c22
Markdowncff9fc2e9ee1eef7eab1f90e93003888d108293d2d50a75326613865aae9ebf0
PDF
Publication pagef0068809f56f1e10de74c4036844f2e29405863019579afbef14bb467a22fe61
Manifest30b1c82cfba782fc2b26f3beb73085eea5e33dce0f49d62d54c4e511be4ceed6

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
Signature3zOL1Ql9XK3LEdUlWtKc4FSGuyv5BLrtv6HLhemVYreR713VI7t0DIoEImBHCDKJry3IXP8vjrM2NtKBum1tBw==
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

2026-09-17T11:06:11.597870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047237
observed f0068809f56f1e10de74c4036844f2e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.579129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047237/manifest.json
observed 30b1c82cfba782fc2b26f3beb73085ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.561318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047237/publication.md
observed cff9fc2e9ee1eef7eab1f90e93003888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:11.543989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047237/publication.txt
observed ae06ba1413ef8bd0664fcd130381997a...
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.