OpenTechnical

OT-2026-000049898

Publication integrity record

Three pad foam vacuum gripper, three 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-2026-000049898) never changes.

Identity and time

Publication numberOT-2026-000049898 · never reused
Internal UUID01a0ae81-fd76-7160-8c8f-b0bc3dca2df5 · 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-2026-000049898
StatusPUBLIC

Content hashes

Canonical text4c972508ef92fe4cf5a1f475198143e28bf8ef172c2c8284765bfc3b6ad85362
Markdown0c7d1d83a4a62e0b40756c0acb3f31bfa25730b8f9d5ff3d7e51799f5e111199
PDF
Publication pageff724c30f79fe90609607beb93c02a8c3a23b8ae8f82c8c32e7c7cd29c1dec92
Manifestd66cf6a8dd5224add45404a2ac86fb30854871302523ff1867be8fc0672ae151

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
SignatureGnTLCKDUz1ysfZLOA6PSyh7JJKfxRGLBtWaZzl6SrQxTq+Rl46Z0OTWqQf7+/fgE5OhttpnSFyb5YV08mgnQAw==
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

2026-09-17T11:01:49.053963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049898
observed ff724c30f79fe90609607beb93c02a8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.034200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049898/manifest.json
observed d66cf6a8dd5224add45404a2ac86fb30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:49.012930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049898/publication.md
observed 0c7d1d83a4a62e0b40756c0acb3f31bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:48.992019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049898/publication.txt
observed 4c972508ef92fe4cf5a1f475198143e2...
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.