Pith Number

pith:AJOJOOIE

pith:2019:AJOJOOIEITEZ4UQIBR3DQOR5BB

not attested not anchored not stored refs pending

Sitara: Spectrum Measurement Goes Mobile Through Crowd-sourcing

Anh Luong, Harsimran Singh, Kurt Derr, Neal Patwari, Phillip Smith, Samuel Ramirez, Shamik Sarkar, Sneha Kasera

arxiv:1905.13172 v1 · 2019-05-30 · cs.NI · cs.HC · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AJOJOOIEITEZ4UQIBR3DQOR5BB}

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	2026-05-17T23:44:38.747372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

025c97390444c99e52080c76383a3d0844de9b304811f2940df873c2ff4856f2

Aliases

arxiv: 1905.13172 · arxiv_version: 1905.13172v1 · doi: 10.48550/arxiv.1905.13172 · pith_short_12: AJOJOOIEITEZ · pith_short_16: AJOJOOIEITEZ4UQI · pith_short_8: AJOJOOIE

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/AJOJOOIEITEZ4UQIBR3DQOR5BB \
  | 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: 025c97390444c99e52080c76383a3d0844de9b304811f2940df873c2ff4856f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8ef675371c93369c8cdaa20bba3621a2f8074e0e3f91a933f3e58fe4dab3c7f",
    "cross_cats_sorted": [
      "cs.HC",
      "eess.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-05-30T16:56:29Z",
    "title_canon_sha256": "47546acdbb7d7928128199a6fc547bcf695fba8b403b71766eae7e6c10b353e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13172",
    "kind": "arxiv",
    "version": 1
  }
}