Pith Number

pith:YKIQPXTM

pith:2020:YKIQPXTMYHMTFKHPC5HZJ3CWVQ

not attested not anchored not stored refs pending

Chemical Variation among Protostellar Cores: Dependence on Prestellar Core Conditions

Kenji Furuya, Nami Sakai, Satoshi Yamamoto, Yuri Aikawa

arxiv:2006.11696 v1 · 2020-06-21 · astro-ph.SR · 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{YKIQPXTMYHMTFKHPC5HZJ3CWVQ}

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	2026-07-05T01:19:09.598564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c29107de6cc1d932a8ef174f94ec56ac11731501b38d23fc47d0d61004b44450

Aliases

arxiv: 2006.11696 · arxiv_version: 2006.11696v1 · doi: 10.48550/arxiv.2006.11696 · pith_short_12: YKIQPXTMYHMT · pith_short_16: YKIQPXTMYHMTFKHP · pith_short_8: YKIQPXTM

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/YKIQPXTMYHMTFKHPC5HZJ3CWVQ \
  | 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: c29107de6cc1d932a8ef174f94ec56ac11731501b38d23fc47d0d61004b44450

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8b3f25370654ebf2473468a8b9c5a6325f76e89fe4345c06492d326f3dcc80c",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-06-21T02:46:38Z",
    "title_canon_sha256": "4db8adb10ad46458ac40a066c177be8fe352c9f164d52aa7858e545c7b9b964a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.11696",
    "kind": "arxiv",
    "version": 1
  }
}