OpenTechnical

OT-2026-000039620

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained 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-2026-000039620) never changes.

Identity and time

Publication numberOT-2026-000039620 · never reused
Internal UUID01a0ae78-d8d4-7267-9a98-14fb3e3243ef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039620
StatusPUBLIC

Content hashes

Canonical text3d169288749abe91269f28c0a9a551adbef55b3feed5ced0f527edc3a6338969
Markdown19f1d34c73b4357e6c1e0319f70659fc1d36779f8bd148d85e56f8d44875eaa9
PDF
Publication page484ca63bc2d31a41f7a7a3018846321d2ac7b00ad3953d71f4fcd4d052e616a0
Manifest5882c13ec58897c82c4d1596545d3e59afa0666432b044b61fe7313fcb8bb6ef

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
Signaturew+zat4lKwjk5uW2/om5l63l0ZQ/wgYX8HYyPPIg4D1nYoDS10pqCWMUZ6EGswISs7pW7O6RKA03QWZIooTydDA==
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

2026-09-17T11:19:47.231184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039620
observed 484ca63bc2d31a41f7a7a3018846321d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.212505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039620/manifest.json
observed 5882c13ec58897c82c4d1596545d3e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.193503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039620/publication.md
observed 19f1d34c73b4357e6c1e0319f70659fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:47.175088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039620/publication.txt
observed 3d169288749abe91269f28c0a9a551ad...
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.