Pith Number

pith:D7B4VF4A

pith:2011:D7B4VF4APYEIRWOE3S6EICHARG

not attested not anchored not stored refs pending

The end of star formation in Chamaeleon I ? A LABOCA census of starless and protostellar cores

A. Belloche, A. Wei{\ss}, B. Parise, D. Muders, F. Schuller, J. Hatchell, J. K. J{\o}rgensen, K. M. Menten, Ph. Andr\'e, S. Bontemps

arxiv:1101.0718 v1 · 2011-01-04 · 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{D7B4VF4APYEIRWOE3S6EICHARG}

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	2026-05-18T04:32:02.218803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fc3ca97807e0888d9c4dcbc4408e0899bbe74b43c16c63fb6fc96ca7dc08734

Aliases

arxiv: 1101.0718 · arxiv_version: 1101.0718v1 · doi: 10.48550/arxiv.1101.0718 · pith_short_12: D7B4VF4APYEI · pith_short_16: D7B4VF4APYEIRWOE · pith_short_8: D7B4VF4A

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/D7B4VF4APYEIRWOE3S6EICHARG \
  | 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: 1fc3ca97807e0888d9c4dcbc4408e0899bbe74b43c16c63fb6fc96ca7dc08734

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73174ac045598a1918405d23c146bcda2ae453c7bbe50c3a38c28462df0cabe2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-01-04T13:45:37Z",
    "title_canon_sha256": "ead2650632676d745e47d762e6ce117c3ef13766e8d58bdf1f848e6c61667139"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.0718",
    "kind": "arxiv",
    "version": 1
  }
}