Pith Number

pith:H423SFLI

pith:2016:H423SFLICQYIK64LH44GYVLPWK

not attested not anchored not stored refs pending

1.3 mm ALMA Observations of the Fomalhaut Debris System

A. C. Boley, E. B. Ford, J. A. White, S. Corder, W. R. F. Dent

arxiv:1612.01648 v1 · 2016-12-06 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H423SFLICQYIK64LH44GYVLPWK}

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	2026-05-18T00:46:13.561678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f35b915681430857b8b3f386c556fb2add194affd0db031397c4d0ae5063fbc

Aliases

arxiv: 1612.01648 · arxiv_version: 1612.01648v1 · doi: 10.48550/arxiv.1612.01648 · pith_short_12: H423SFLICQYI · pith_short_16: H423SFLICQYIK64L · pith_short_8: H423SFLI

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/H423SFLICQYIK64LH44GYVLPWK \
  | 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: 3f35b915681430857b8b3f386c556fb2add194affd0db031397c4d0ae5063fbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4794082059fd0247ed140d850b60240297b2689214a2368a4d1da6babbdea948",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-12-06T03:09:51Z",
    "title_canon_sha256": "891d46766855d40637df2824e476d93641bd3e6c4faee4f096843fd5ff559b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01648",
    "kind": "arxiv",
    "version": 1
  }
}