Pith Number

pith:5Z4UB5IM

pith:2016:5Z4UB5IM35HQ5CME3BNXDKRQGQ

not attested not anchored not stored refs pending

HfS, Hyperfine Structure Fitting Tool

Robert Estalella

arxiv:1608.04088 v1 · 2016-08-14 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5Z4UB5IM35HQ5CME3BNXDKRQGQ}

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	2026-05-18T00:52:39.042886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee7940f50cdf4f0e8984d85b71aa303417e66a0678ac6db5e4fb29c29dcd7653

Aliases

arxiv: 1608.04088 · arxiv_version: 1608.04088v1 · doi: 10.48550/arxiv.1608.04088 · pith_short_12: 5Z4UB5IM35HQ · pith_short_16: 5Z4UB5IM35HQ5CME · pith_short_8: 5Z4UB5IM

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/5Z4UB5IM35HQ5CME3BNXDKRQGQ \
  | 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: ee7940f50cdf4f0e8984d85b71aa303417e66a0678ac6db5e4fb29c29dcd7653

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f1a932bc9492e613534f03ddb51aa49cc1dc17f5cd9f90def33bdf3d630eca5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-08-14T11:16:30Z",
    "title_canon_sha256": "39fb576b2c364d967227f447c34d18daff72ab88abe82d49d5e41e337fc3d422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.04088",
    "kind": "arxiv",
    "version": 1
  }
}