Pith Number

pith:DLIMQ7M5

pith:2009:DLIMQ7M5TS56UFQZNXOSN5LGI6

not attested not anchored not stored refs pending

Star Formation History of the SMC: six HST/ACS

A.A. Cole, A. Nota, D. Harbeck, E.K. Grebel, E. Sabbi, G.S. Da Costa, J. Anderson, J.S. Gallagher, K. Glatt, M. Cignoni, M. Marconi, M. Tosi

arxiv:0908.3500 v1 · 2009-08-24 · 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{DLIMQ7M5TS56UFQZNXOSN5LGI6}

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	2026-07-04T15:48:27.967113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad0c87d9d9cbbea16196ddd26f566479ffc06f7d94408f18e59a9a519c500fa

Aliases

arxiv: 0908.3500 · arxiv_version: 0908.3500v1 · doi: 10.48550/arxiv.0908.3500 · pith_short_12: DLIMQ7M5TS56 · pith_short_16: DLIMQ7M5TS56UFQZ · pith_short_8: DLIMQ7M5

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/DLIMQ7M5TS56UFQZNXOSN5LGI6 \
  | 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: 1ad0c87d9d9cbbea16196ddd26f566479ffc06f7d94408f18e59a9a519c500fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46d3ad0750e557fa556dbfbca958d0a91edcd11ea0f660fd6cc41454d8f18d69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-08-24T21:24:48Z",
    "title_canon_sha256": "f3c6e0ba510d09df4797af7aa4ae60e77108cc10eee648335a02cc4bb3f1e45c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3500",
    "kind": "arxiv",
    "version": 1
  }
}