Pith Number

pith:YTBHJBLF

pith:2010:YTBHJBLF7R2ARXEGSXQ6UB4DM3

not attested not anchored not stored refs pending

Carbon-Chain and Organic Molecules around Very Low-Luminosity Protostellar Objects of L1521F-IRS and IRAM 04191+1522

Nagayoshi Ohashi, Shigehisa Takakuwa, Yuri Aikawa

arxiv:1012.1176 v1 · 2010-12-06 · 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{YTBHJBLF7R2ARXEGSXQ6UB4DM3}

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	2026-05-18T02:04:32.578378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4c2748565fc7408dc8695e1ea078366ef04041ba4e20eeb80d05d18245be608

Aliases

arxiv: 1012.1176 · arxiv_version: 1012.1176v1 · doi: 10.48550/arxiv.1012.1176 · pith_short_12: YTBHJBLF7R2A · pith_short_16: YTBHJBLF7R2ARXEG · pith_short_8: YTBHJBLF

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/YTBHJBLF7R2ARXEGSXQ6UB4DM3 \
  | 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: c4c2748565fc7408dc8695e1ea078366ef04041ba4e20eeb80d05d18245be608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d034d00307309bf82728b7d7b3a8ba4f64bf66dbbf6d9354fdec6d5667da8f0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-12-06T14:20:02Z",
    "title_canon_sha256": "a2eedf9a6f6b71dce5b8d0b211c4121cc05e13f36866a972b4ff8e1704c082ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.1176",
    "kind": "arxiv",
    "version": 1
  }
}