Pith Number

pith:5XALU2RD

pith:2015:5XALU2RD4PQGECVAM6C2WEZ4AP

not attested not anchored not stored refs pending

Star Formation Across the W3 Complex

(2) Facultad de F\'isica, (3) Astronomy Department, (4) Institute of Astronomy, C. G. Rom\'an-Z\'u\~niga (1), E. A. Lada (3), G. Megias (2), J. F. Alves (4) ((1) Instituto de Astronom\'ia, J. Ybarra (1), Mexico, M. Tapia (1), Spain, UNAM, Universidad de Sevilla, University of Florida, University of Vienna)

arxiv:1507.00016 v1 · 2015-06-30 · astro-ph.SR · 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{5XALU2RD4PQGECVAM6C2WEZ4AP}

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	2026-05-18T01:33:42.686825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edc0ba6a23e3e0620aa06785ab133c03dafe515804a0b8303c5e1ebbfd4868f3

Aliases

arxiv: 1507.00016 · arxiv_version: 1507.00016v1 · doi: 10.48550/arxiv.1507.00016 · pith_short_12: 5XALU2RD4PQG · pith_short_16: 5XALU2RD4PQGECVA · pith_short_8: 5XALU2RD

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/5XALU2RD4PQGECVAM6C2WEZ4AP \
  | 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: edc0ba6a23e3e0620aa06785ab133c03dafe515804a0b8303c5e1ebbfd4868f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13886d08cbffb1f464aabdfc1838b1bd437e44b217b7c6e1c768d6239a4f5eb7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-06-30T20:04:26Z",
    "title_canon_sha256": "b308da2765ffd6eab45b70124e5ec217b8501186afe500a204018559a83b7475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.00016",
    "kind": "arxiv",
    "version": 1
  }
}