Pith Number

pith:FCXBIDPY

pith:2018:FCXBIDPYDKUBJ2CEWDHZKTTKFD

not attested not anchored not stored refs pending

Polarimetric and photometric investigation of a dark globule LDN 1225: distance, extinction law, and magnetic fields

Anil K. Pandey, Chakali Eswaraiah, D. K. Ojha, Jessy Jose, Jia-Wei Wang, Manash R. Samal, Saurabh Sharma, Shih-Ping Lai, Yuehui Ma, Zhiwei Chen

arxiv:1812.08920 v2 · 2018-12-21 · 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{FCXBIDPYDKUBJ2CEWDHZKTTKFD}

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	2026-05-17T23:47:58.748792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28ae140df81aa814e844b0cf954e6a28cccf850ce39f78ba12657bad4264ae1a

Aliases

arxiv: 1812.08920 · arxiv_version: 1812.08920v2 · doi: 10.48550/arxiv.1812.08920 · pith_short_12: FCXBIDPYDKUB · pith_short_16: FCXBIDPYDKUBJ2CE · pith_short_8: FCXBIDPY

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/FCXBIDPYDKUBJ2CEWDHZKTTKFD \
  | 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: 28ae140df81aa814e844b0cf954e6a28cccf850ce39f78ba12657bad4264ae1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87a0498c33f88191512499066d4e33e3d9e4bbaa3549c50f2a248e0cd16fef48",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-21T02:45:54Z",
    "title_canon_sha256": "1adb0f13eeac5a442f49bc34257320d70f2b368291ea9288cee6571a1077df42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08920",
    "kind": "arxiv",
    "version": 2
  }
}