Pith Number

pith:TCZL5MNL

pith:2009:TCZL5MNLYWB5P3D3GLGL36VGVV

not attested not anchored not stored refs pending

Nainital Microlensing Survey -- detection of short period Cepheids in the disk of M31

A. K. Pandey (ARIES, D. Narasimha (TIFR, India), R. Sagar (ARIES, Y. C. Joshi (ARIES

arxiv:0912.5415 v1 · 2009-12-30 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TCZL5MNLYWB5P3D3GLGL36VGVV}

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	2026-05-18T02:10:13.203077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98b2beb1abc583d7ec7b32ccbdfaa6ad598a6c0ccd684d160da8336b04a4f022

Aliases

arxiv: 0912.5415 · arxiv_version: 0912.5415v1 · doi: 10.48550/arxiv.0912.5415 · pith_short_12: TCZL5MNLYWB5 · pith_short_16: TCZL5MNLYWB5P3D3 · pith_short_8: TCZL5MNL

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/TCZL5MNLYWB5P3D3GLGL36VGVV \
  | 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: 98b2beb1abc583d7ec7b32ccbdfaa6ad598a6c0ccd684d160da8336b04a4f022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92bd8d87c567fc6b62a890563ebce588b3bea4e2b990da339f4219da93fcfb1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-12-30T04:58:36Z",
    "title_canon_sha256": "6926ed76f9c994939b83c436cd6a1a1da1110d5352973fcc1a50a5bf7f56d5e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.5415",
    "kind": "arxiv",
    "version": 1
  }
}