OpenTechnical

OT-2026-000049962

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained 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-2026-000049962) never changes.

Identity and time

Publication numberOT-2026-000049962 · never reused
Internal UUID01a0ae81-fd77-75b3-8562-d168a824f834 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049962
StatusPUBLIC

Content hashes

Canonical text70f201afbc7fce52e83db1fa62ca1352daba84140998df584d72b71e489c7dba
Markdown1ef1f80350e62f15f1103bd6450802fceb7a8a8ea7c3394d55c372a8a5c8c452
PDF
Publication page8fa5292f4da76fe1f54799df4ce302e9d00813fd161fa77dabe0ed39eebbbe57
Manifestdc9efb7779525aa0c4bbc1a693b625f765bcb8148cd940337207131e39a3e6d6

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
SignaturetcJZCZkgov6N2q7A7JAMPqpvofRdHBNm20QOGJnAzT0ZEsAXIkGM5yYAeuK+1g5y/52Deo65dGy+od+u3CLODA==
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

2026-09-17T11:01:54.451261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049962
observed 8fa5292f4da76fe1f54799df4ce302e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.430955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049962/manifest.json
observed dc9efb7779525aa0c4bbc1a693b625f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.411522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049962/publication.md
observed 1ef1f80350e62f15f1103bd6450802fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:54.393601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049962/publication.txt
observed 70f201afbc7fce52e83db1fa62ca1352...
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.