pith. sign in
Pith Number

pith:I7K32OXT

pith:2018:I7K32OXTA7W7XSN32SV2JES34T
not attested not anchored not stored refs pending

Primordial Mass and Density Segregation in a Young Molecular Cloud

(2) Instituto de Astronom\'ia, Carlos Rom\'an-Z\'u\~niga (2) ((1) Instituto de Astrof\'isica de Andaluc\'ia, Emilo J. Alfaro (1), Mexico), Spain, UNAM

arxiv:1804.06961 v1 · 2018-04-19 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{I7K32OXTA7W7XSN32SV2JES34T}

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 2026-05-18T00:11:49.349922Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

47d5bd3af307edfbc9bbd4aba4925be4d0b633ee155c0dae7eb37600bf7416a6

Aliases

arxiv: 1804.06961 · arxiv_version: 1804.06961v1 · doi: 10.48550/arxiv.1804.06961 · pith_short_12: I7K32OXTA7W7 · pith_short_16: I7K32OXTA7W7XSN3 · pith_short_8: I7K32OXT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/I7K32OXTA7W7XSN32SV2JES34T \
  | 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: 47d5bd3af307edfbc9bbd4aba4925be4d0b633ee155c0dae7eb37600bf7416a6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "77d8c2b91320f962149ab9880c928cbdaf43e3bd938e43e47190edc24598dd78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-04-19T01:12:12Z",
    "title_canon_sha256": "1f4f8f4e68fe27b8dc7d44c768180035dcaa3f34de6aa9ee7f593608fb8ba9d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06961",
    "kind": "arxiv",
    "version": 1
  }
}