Pith Number

pith:7SNH5I3K

pith:2013:7SNH5I3KN7WU7YVPMQZILNDBWC

not attested not anchored not stored refs pending

On Minimal Trajectories for Mobile Sampling of Bandlimited Fields

Jayakrishnan Unnikrishnan, Jos\'e Luis Romero, Karlheinz Gr\"ochenig, Martin Vetterli

arxiv:1312.7794 v2 · 2013-12-30 · cs.IT · math.CA · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7SNH5I3KN7WU7YVPMQZILNDBWC}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:18:15.212287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc9a7ea36a6fed4fe2af643285b461b0ab81de4c2e36808d8d4b0e4853210aa9

Aliases

arxiv: 1312.7794 · arxiv_version: 1312.7794v2 · doi: 10.48550/arxiv.1312.7794 · pith_short_12: 7SNH5I3KN7WU · pith_short_16: 7SNH5I3KN7WU7YVP · pith_short_8: 7SNH5I3K

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7SNH5I3KN7WU7YVPMQZILNDBWC \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fc9a7ea36a6fed4fe2af643285b461b0ab81de4c2e36808d8d4b0e4853210aa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aac9363e91efc4a7d10b27daee8644e3586e14764e5424d1b81aa923b497ebfa",
    "cross_cats_sorted": [
      "math.CA",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-12-30T17:45:44Z",
    "title_canon_sha256": "483e0e5835f5cc2bbc70164d2cdaefa273dcde75bd77aba9446b5c6ed42b42d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7794",
    "kind": "arxiv",
    "version": 2
  }
}