Pith Number

pith:M3HYWC3N

pith:2015:M3HYWC3NRMZUXWRXMXNMKGVR26

not attested not anchored not stored refs pending

The Epsilon Eridani System Resolved by Millimeter Interferometry

David J. Wilner, Jean-Francois Lestrade, Meredith A. MacGregor, Sarah Maddison, Sean M. Andrews

arxiv:1507.01642 v1 · 2015-07-06 · astro-ph.SR · 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{M3HYWC3NRMZUXWRXMXNMKGVR26}

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	2026-05-18T01:35:07.157145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66cf8b0b6d8b334bda3765dac51ab1d7a3d655f1eefc05eb7cd75aa5b95e3ade

Aliases

arxiv: 1507.01642 · arxiv_version: 1507.01642v1 · doi: 10.48550/arxiv.1507.01642 · pith_short_12: M3HYWC3NRMZU · pith_short_16: M3HYWC3NRMZUXWRX · pith_short_8: M3HYWC3N

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/M3HYWC3NRMZUXWRXMXNMKGVR26 \
  | 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: 66cf8b0b6d8b334bda3765dac51ab1d7a3d655f1eefc05eb7cd75aa5b95e3ade

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2351ad7aeacc0245c90bc36e9fb3c4e7172e7871640986777dd47334e6761e9b",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-07-06T22:45:13Z",
    "title_canon_sha256": "d88ea8a51348a10bbaf73d76f834690fdcea28eb8dce0dff8d93aa8d8ed05060"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01642",
    "kind": "arxiv",
    "version": 1
  }
}