Pith Number

pith:IGUNSUMZ

pith:2011:IGUNSUMZ3NHBDAS3G6KSPC7XKU

not attested not anchored not stored refs pending

Herschel Observations of a Potential Core Forming Clump: Perseus B1-E

C. Fallscheer, C. Wilson, E. Bressert, F. Motte, G. J. White, J. Di Francesco, J.-P. Bernard, L. Testi, M. Hennemann, M. Reid, N. Peretto, N. Schneider, Ph. Andre, P. Martin, Q. Nguyen Luong, S. Bontemps, S. Chitsazzadeh, S. I. Sadavoy, S. Pezzuto, T. Hill

arxiv:1111.7021 v3 · 2011-11-30 · 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{IGUNSUMZ3NHBDAS3G6KSPC7XKU}

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	2026-05-18T01:59:21.480631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a8d95199db4e11825b3795278bf75536002975ad14e8dbcd582c5a8788c870

Aliases

arxiv: 1111.7021 · arxiv_version: 1111.7021v3 · doi: 10.48550/arxiv.1111.7021 · pith_short_12: IGUNSUMZ3NHB · pith_short_16: IGUNSUMZ3NHBDAS3 · pith_short_8: IGUNSUMZ

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/IGUNSUMZ3NHBDAS3G6KSPC7XKU \
  | 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: 41a8d95199db4e11825b3795278bf75536002975ad14e8dbcd582c5a8788c870

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38a3efb55c048139cc76b740aab2ba0226e4c0d4c94d74aa006c8fd4764c3b73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-11-30T00:10:43Z",
    "title_canon_sha256": "a7463d6cad5b50d26a6690593eba7d928c263dccea776a6bd8ee6a4dd4144673"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.7021",
    "kind": "arxiv",
    "version": 3
  }
}