Pith Number

pith:Z5535G5T

pith:2021:Z5535G5TTRWQD7J4IIVBJQTG4T

not attested not anchored not stored refs pending

The Isaac Newton Telescope monitoring survey of Local Group dwarf galaxies. II. The star formation history of Andromeda I derived from long period variables

Atefeh Javadi, Behzad Bojnordi Arbab, Elham Saremi, Habib G.Khosroshahi, Iain McDonald, Jacco Th.van Loon, Mahdieh Navabi

arxiv:2110.03185 v1 · 2021-10-07 · 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{Z5535G5TTRWQD7J4IIVBJQTG4T}

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	2026-07-05T03:45:48.625567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf7bbe9bb39c6d01fd3c422a14c266e4c308ce90c9b7ce8f18cbfed2afda511d

Aliases

arxiv: 2110.03185 · arxiv_version: 2110.03185v1 · doi: 10.48550/arxiv.2110.03185 · pith_short_12: Z5535G5TTRWQ · pith_short_16: Z5535G5TTRWQD7J4 · pith_short_8: Z5535G5T

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/Z5535G5TTRWQD7J4IIVBJQTG4T \
  | 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: cf7bbe9bb39c6d01fd3c422a14c266e4c308ce90c9b7ce8f18cbfed2afda511d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31576f234403e2914baf99437b664f812bbb5a13803094826f6a953a87e269d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-10-07T05:05:33Z",
    "title_canon_sha256": "94fc2d5cb626c5e557198069c23c76286d140eb31820c0479fdb99ab7e7dc087"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.03185",
    "kind": "arxiv",
    "version": 1
  }
}