Pith Number

pith:XG5BI2J2

pith:2018:XG5BI2J2JIBU3NOCHWW3JZYJCF

not attested not anchored not stored refs pending

ALMA Dust Polarization Observations of Two Young Edge-on Protostellar Disks

Chin-Fei Lee, Haifeng Yang, Shih-Ping Lai, Tao-Chung Ching, Zhi-Yun Li

arxiv:1801.03802 v1 · 2018-01-11 · 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{XG5BI2J2JIBU3NOCHWW3JZYJCF}

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	2026-05-18T00:22:23.263719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9ba14693a4a034db5c23dadb4e709116367acff47ad66be2948244adb726743

Aliases

arxiv: 1801.03802 · arxiv_version: 1801.03802v1 · doi: 10.48550/arxiv.1801.03802 · pith_short_12: XG5BI2J2JIBU · pith_short_16: XG5BI2J2JIBU3NOC · pith_short_8: XG5BI2J2

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/XG5BI2J2JIBU3NOCHWW3JZYJCF \
  | 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: b9ba14693a4a034db5c23dadb4e709116367acff47ad66be2948244adb726743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "950a0d98a06615c47d5dff01832441a4047802a7678c33081af8fbdec04fa0a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-11T15:06:24Z",
    "title_canon_sha256": "1ec5f2cb7e111cb50470f3ad5a6dab0e27f90ae80cb9b466fab61931902034c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03802",
    "kind": "arxiv",
    "version": 1
  }
}