Pith Number

pith:E76NKP3M

pith:2023:E76NKP3MTCWIWOEY3K2PTYHD5R

not attested not anchored not stored refs pending

Variability of Young Stellar Objects in the Perseus Molecular Cloud

Gregory J. Herczeg, Hai-Jun Tian, Hong-Xin Zhang, Min Fang, Xiao-long Wang, Xing-Yu Zhou, Xue-Peng Chen, Yu Gao

arxiv:2305.02514 v1 · 2023-05-04 · 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{E76NKP3MTCWIWOEY3K2PTYHD5R}

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	2026-07-05T06:25:29.340104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27fcd53f6c98ac8b3898dab4f9e0e3ec75df4c65839b2e1ae043064735ba391e

Aliases

arxiv: 2305.02514 · arxiv_version: 2305.02514v1 · doi: 10.48550/arxiv.2305.02514 · pith_short_12: E76NKP3MTCWI · pith_short_16: E76NKP3MTCWIWOEY · pith_short_8: E76NKP3M

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/E76NKP3MTCWIWOEY3K2PTYHD5R \
  | 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: 27fcd53f6c98ac8b3898dab4f9e0e3ec75df4c65839b2e1ae043064735ba391e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d33ba0a68b55dc18bb56d672ee9af4236d030964947f1a90364290001f03c3a9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-05-04T02:57:25Z",
    "title_canon_sha256": "3be8d8604d66d5c0f4ed477070d0e54d723b6b4f1657f873dc226d229729e111"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.02514",
    "kind": "arxiv",
    "version": 1
  }
}