Pith Number

pith:5R6GPQE4

pith:2018:5R6GPQE4ZTGWUN74V2X6ZE3RKF

not attested not anchored not stored refs pending

Resolved Star Formation Efficiency in the Antennae Galaxies

Adam K. Leroy, Allison M. Matthews, Bradley C. Whitmore, Crystal L. Brogan, Kelsey E. Johnson, Remy Indebetouw

arxiv:1805.12039 v1 · 2018-05-30 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5R6GPQE4ZTGWUN74V2X6ZE3RKF}

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	2026-05-18T00:08:41.424873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec7c67c09ccccd6a37fcaeafec9371516035dca51a7424ba2a009cd8553c2d6d

Aliases

arxiv: 1805.12039 · arxiv_version: 1805.12039v1 · doi: 10.48550/arxiv.1805.12039 · pith_short_12: 5R6GPQE4ZTGW · pith_short_16: 5R6GPQE4ZTGWUN74 · pith_short_8: 5R6GPQE4

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/5R6GPQE4ZTGWUN74V2X6ZE3RKF \
  | 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: ec7c67c09ccccd6a37fcaeafec9371516035dca51a7424ba2a009cd8553c2d6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b49c0fcccf8da00ff0cbe3e89e9866eb2417291c2d7c75864fddb866284cce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-05-30T15:39:25Z",
    "title_canon_sha256": "b11b0f33e21724f1b4532b3256fee48804a7e9ad1e3a142383793f82e14054c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12039",
    "kind": "arxiv",
    "version": 1
  }
}