Pith Number

pith:IOUQ4NMH

pith:2016:IOUQ4NMH5SABIUGT5BUHV4ZCO4

not attested not anchored not stored refs pending

An alternative observable to estimate keff in fast ADS

Davide Chersola, Gianni Ricco, Marco Ripani, Paolo Saracco

arxiv:1604.05075 v1 · 2016-04-18 · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IOUQ4NMH5SABIUGT5BUHV4ZCO4}

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	2026-05-18T01:16:55.803837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43a90e3587ec801450d3e8687af3227705cb90d4bba8bc2c6c7f1c1b775393fc

Aliases

arxiv: 1604.05075 · arxiv_version: 1604.05075v1 · doi: 10.48550/arxiv.1604.05075 · pith_short_12: IOUQ4NMH5SAB · pith_short_16: IOUQ4NMH5SABIUGT · pith_short_8: IOUQ4NMH

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/IOUQ4NMH5SABIUGT5BUHV4ZCO4 \
  | 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: 43a90e3587ec801450d3e8687af3227705cb90d4bba8bc2c6c7f1c1b775393fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e73d66ad244d6c3e177ba665842cc1c367dcb001a6879ee0dee174f662aa1965",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2016-04-18T10:34:06Z",
    "title_canon_sha256": "de117314630d5aa8ab2cd6565a1b060fcd197294118b90583146333840e5acf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.05075",
    "kind": "arxiv",
    "version": 1
  }
}