Pith Number

pith:E7F253PJ

pith:2019:E7F253PJ4ZNWRZPS2UZVYRY6SU

not attested not anchored not stored refs pending

SNITCH: Seeking a simple, informative star formation history inference tool

A. Fraser-McKelvie, B. D. Simmons, C. J. Lintott, K. L. Masters, M. Boquien, M. Merrifield, N. Drory, R. A. Riffel, R. J. Smethurst, T. Peterken

arxiv:1901.07036 v1 · 2019-01-21 · 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{E7F253PJ4ZNWRZPS2UZVYRY6SU}

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	2026-05-17T23:54:08.006354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27cbaeede9e65b68e5f2d5335c471e953f7fc60755912fc275c590776d4fb69e

Aliases

arxiv: 1901.07036 · arxiv_version: 1901.07036v1 · doi: 10.48550/arxiv.1901.07036 · pith_short_12: E7F253PJ4ZNW · pith_short_16: E7F253PJ4ZNWRZPS · pith_short_8: E7F253PJ

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/E7F253PJ4ZNWRZPS2UZVYRY6SU \
  | 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: 27cbaeede9e65b68e5f2d5335c471e953f7fc60755912fc275c590776d4fb69e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2b5124375f56f830dd7f1f24fc73acebc8d6ff31ea4d310d34e8603c72b2c0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-01-21T19:00:03Z",
    "title_canon_sha256": "9a12e5e6e707be6a0547287a813fbd142d5fbff6ad5c375409a0f12ca7bda4ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07036",
    "kind": "arxiv",
    "version": 1
  }
}