OpenTechnical

OT-2026-000050270

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, 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-2026-000050270) never changes.

Identity and time

Publication numberOT-2026-000050270 · never reused
Internal UUID01a0ae82-5c46-73a4-a8e3-614984cc0acc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050270
StatusPUBLIC

Content hashes

Canonical texta5291d29b06aa7952337c9d6643de1d802e8674fe97920020aa7a512043ab71e
Markdownd9e979e6fe37acec3151a05f2bbef215e02821b49886d04998af16fbb2de92ab
PDF
Publication pageff1e9287beb5726bd50ea40597f50776dbb930a9ce9e99627bfb5276e18c3828
Manifest2a2750aad8f817d051583937e0be8ebc0c4321e526eb5201bc6eb30446dc4a4b

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
SignatureIkaCHZo7++tIOJJbxYWiqVVw8btHsLcYSFnOuj+E+vxDYWqdWy+rLxtBIfFWQiE9JbArkYRh0fFEQ49dzhGGCQ==
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

2026-09-17T11:01:16.314431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050270
observed ff1e9287beb5726bd50ea40597f50776...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.296692ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050270/manifest.json
observed 2a2750aad8f817d051583937e0be8ebc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.279131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050270/publication.md
observed d9e979e6fe37acec3151a05f2bbef215...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:16.260347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050270/publication.txt
observed a5291d29b06aa7952337c9d6643de1d8...
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.