Pith Number

pith:M4FK37ON

pith:2011:M4FK37ONYFI74K364VY5JCEOYG

not attested not anchored not stored refs pending

Star Formation in the Gulf of Mexico

Bo Reipurth, Colin Aspin, John Bally, Tina Armond

arxiv:1101.4670 v2 · 2011-01-24 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M4FK37ONYFI74K364VY5JCEOYG}

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	2026-05-18T02:03:22.756275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

670aadfdcdc151fe2b7ee571d4888ec19583ede403ef721632a03d26ad484b16

Aliases

arxiv: 1101.4670 · arxiv_version: 1101.4670v2 · doi: 10.48550/arxiv.1101.4670 · pith_short_12: M4FK37ONYFI7 · pith_short_16: M4FK37ONYFI74K36 · pith_short_8: M4FK37ON

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/M4FK37ONYFI74K364VY5JCEOYG \
  | 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: 670aadfdcdc151fe2b7ee571d4888ec19583ede403ef721632a03d26ad484b16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36292cbefbb53b67f67994bfcf605e4c41aa2c88262926115beff51ebb722551",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-01-24T21:51:35Z",
    "title_canon_sha256": "44592bdeac7aa9724311efd609030a23f5f9af196bce8a1f71138ae0e68f2f34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.4670",
    "kind": "arxiv",
    "version": 2
  }
}