OpenTechnical

OT-2026-000048340

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, pulsed blow-off after 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-2026-000048340) never changes.

Identity and time

Publication numberOT-2026-000048340 · never reused
Internal UUID01a0ae80-4de4-7be3-8951-9319f154b462 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048340
StatusPUBLIC

Content hashes

Canonical text16a6895fa12898d16a016a52f48abb735d68a1b7b461362208ba0870c17d7f8f
Markdown86312e5c849bfb5ba5fa5f6c3afcd6bde2b4e0723f15eebacec92a4caf9aa5b5
PDF
Publication page55464fa4db6f46eb4f2e4c8e0af50e61dc9f81bcca2043c5e175defdd808e35e
Manifest464ad1118ecfa08abe3c77be2baaa81e8e207b28d83d345110e5c31d0c7836e8

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
Signaturetw1lP+A55wh6rGpKliJQCw61JRD3jsKrh+zmmM+MlhGfoumHvgNROPI7lmD5YwEa8o81HUz3skflS2/rUJhiDw==
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

2026-09-17T11:04:56.977419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048340
observed 55464fa4db6f46eb4f2e4c8e0af50e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.958350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048340/manifest.json
observed 464ad1118ecfa08abe3c77be2baaa81e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.939019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048340/publication.md
observed 86312e5c849bfb5ba5fa5f6c3afcd6bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:56.917786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048340/publication.txt
observed 16a6895fa12898d16a016a52f48abb73...
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.