Pith Number

pith:CRFWCVEP

pith:2017:CRFWCVEPFJIWZLWF63AKTK3HAB

not attested not anchored not stored refs pending

Panchromatic Hubble Andromeda Treasury. XIX. The Ancient Star Formation History of the M31 Disk

Alexia R. Lewis, Andrew E. Dolphin, Antonela Monachesi, Benjamin F. Williams, Daniel R. Weisz, Eric F. Bell, Evan Skillman, Julianne J. Dalcanton, Philip Rosenfield, Yumi Choi

arxiv:1708.02617 v1 · 2017-08-08 · 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{CRFWCVEPFJIWZLWF63AKTK3HAB}

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	2026-05-18T00:38:20.199806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

144b61548f2a516caec5f6c0a9ab67005497da7816ea1f523a73b5b05ea8c87a

Aliases

arxiv: 1708.02617 · arxiv_version: 1708.02617v1 · doi: 10.48550/arxiv.1708.02617 · pith_short_12: CRFWCVEPFJIW · pith_short_16: CRFWCVEPFJIWZLWF · pith_short_8: CRFWCVEP

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/CRFWCVEPFJIWZLWF63AKTK3HAB \
  | 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: 144b61548f2a516caec5f6c0a9ab67005497da7816ea1f523a73b5b05ea8c87a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6a3cfa185b09fcccf51c178530c9f787c2a6cc37c4660b98a2866a2b89667e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-08-08T19:30:48Z",
    "title_canon_sha256": "8c49328b5680513ecc34a702a83877da35e8ed7a85353de03b75aeea2791040d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02617",
    "kind": "arxiv",
    "version": 1
  }
}