OpenTechnical

OT-2026-000032578

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, 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-2026-000032578) never changes.

Identity and time

Publication numberOT-2026-000032578 · never reused
Internal UUID01a0ae75-106f-7bce-9620-9c2dcd6e0c41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032578
StatusPUBLIC

Content hashes

Canonical text72f007d918ac3aad7f8e5e4c9513110d5ad3e353dde8aa199fd7db59dc4a608d
Markdown7b65c52f37a34327b7ce78c04b3f0ab606e580c6903675870fe1627b422165f6
PDF
Publication pagee0219afcf3e276311f052186ee2848f3c06a96166475eefaf07b8bc07e63ef45
Manifest17360fca7cf2f3469addd470861dcb1a8a9565661a5ff1ff3483d8859baf3164

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
Signature3eXqQVeT7/VuN01aocGQTMLp7pJw+4QSAUgZ2PmI4KD6y3zGnMYxAE1gKc68ftCgPwzy7MfXIei6j0/PRCUgBQ==
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

2026-09-17T11:34:09.200633ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032578
observed e0219afcf3e276311f052186ee2848f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.183647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032578/manifest.json
observed 17360fca7cf2f3469addd470861dcb1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.165854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032578/publication.md
observed 7b65c52f37a34327b7ce78c04b3f0ab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:09.146145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032578/publication.txt
observed 72f007d918ac3aad7f8e5e4c9513110d...
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.