Pith Number

pith:JU6YEOPT

pith:2012:JU6YEOPTO7X4X22WPRN6ZZ7QQL

not attested not anchored not stored refs pending

Close encounters of the protostellar kind in IC 1396N

C. Codella (1), F. Fontani (1), F. Massi (1), M.T. Beltran (1), R. Lopez (2) ((1) INAF-Osservatorio Astrofisico di Arcetri (2) Universitat de Barcelona)

arxiv:1205.2267 v2 · 2012-05-10 · 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{JU6YEOPTO7X4X22WPRN6ZZ7QQL}

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	2026-05-18T01:57:33.891003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d3d8239f377efcbeb567c5bece7f082f675f73c8f60dfeb6486da43bf5d7907

Aliases

arxiv: 1205.2267 · arxiv_version: 1205.2267v2 · doi: 10.48550/arxiv.1205.2267 · pith_short_12: JU6YEOPTO7X4 · pith_short_16: JU6YEOPTO7X4X22W · pith_short_8: JU6YEOPT

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/JU6YEOPTO7X4X22WPRN6ZZ7QQL \
  | 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: 4d3d8239f377efcbeb567c5bece7f082f675f73c8f60dfeb6486da43bf5d7907

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fd7dcc560d0ea2ded8c675d84fad4ec228f49edfc0e3f23fb8c019e5e5690c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-05-10T13:59:32Z",
    "title_canon_sha256": "a8da7e05c76d1cb4edaef9bb562d4d94f634641f3d74686de050de82c36ae95f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2267",
    "kind": "arxiv",
    "version": 2
  }
}