Pith Number

pith:GXL6TRZC

pith:2009:GXL6TRZC6OB6XNJD2A3VXV2HVM

not attested not anchored not stored refs pending

L1506: a prestellar core in the making

Alain Abergel (IAS), Isabelle Ristorcelli (CESR), Jean-Philippe Bernard (CESR), Laurent Pagani (LERMA), Martin Giard (CESR), Nathalie Boudet (CESR)

arxiv:0912.1193 v1 · 2009-12-07 · 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{GXL6TRZC6OB6XNJD2A3VXV2HVM}

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	2026-05-18T02:10:26.046300Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35d7e9c722f383ebb523d0375bd747ab23ae981d7c47c324c6e29a704a0bf594

Aliases

arxiv: 0912.1193 · arxiv_version: 0912.1193v1 · doi: 10.48550/arxiv.0912.1193 · pith_short_12: GXL6TRZC6OB6 · pith_short_16: GXL6TRZC6OB6XNJD · pith_short_8: GXL6TRZC

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/GXL6TRZC6OB6XNJD2A3VXV2HVM \
  | 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: 35d7e9c722f383ebb523d0375bd747ab23ae981d7c47c324c6e29a704a0bf594

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb5279a4f2501604bcb13da0a273baf5a074ad0640914f325089f3ae676bce8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-12-07T10:18:10Z",
    "title_canon_sha256": "414e842ac11f2a8787e7732edaed3a4205c4b905555ceded6008283d2fcbe5de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1193",
    "kind": "arxiv",
    "version": 1
  }
}