Pith Number

pith:DILVQD5O

pith:2011:DILVQD5OBPXJXGBQIIRL7HHTDM

not attested not anchored not stored refs pending

A Bubbling Nearby Molecular Cloud: COMPLETE Shells in Perseus

Alyssa A. Goodman, Christopher N. Beaumont, Hector G. Arce, Jaime E. Pineda, Michelle A. Borkin

arxiv:1109.3368 v1 · 2011-09-15 · 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{DILVQD5OBPXJXGBQIIRL7HHTDM}

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	2026-05-18T02:00:32.396226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a17580fae0bee9b98304222bf9cf31b340c41eb990bdcc9aae2a18f15647ccf

Aliases

arxiv: 1109.3368 · arxiv_version: 1109.3368v1 · doi: 10.48550/arxiv.1109.3368 · pith_short_12: DILVQD5OBPXJ · pith_short_16: DILVQD5OBPXJXGBQ · pith_short_8: DILVQD5O

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/DILVQD5OBPXJXGBQIIRL7HHTDM \
  | 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: 1a17580fae0bee9b98304222bf9cf31b340c41eb990bdcc9aae2a18f15647ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9b1e1eb248b280bedb154cc159af799ec17ae7a3855688d7c030e0bbda3c8115",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-09-15T14:50:13Z",
    "title_canon_sha256": "aa255b71f9719963bbd7003c194bff687774e8af878fb1adbbd69ed9344bfbb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3368",
    "kind": "arxiv",
    "version": 1
  }
}