Pith Number

pith:H4UCECSB

pith:2012:H4UCECSBI5GSQBJSGQN2OMNWIJ

not attested not anchored not stored refs pending

Hubble Space Telescope reveals multiple Sub-Giant Branch in eight Globular Clusters

A. Aparicio, A. Bellini, A. F. Marino, A. P. Milone, G. Piotto, J. Anderson, L. R. Bedin, S. Cassisi, V. Nascimbeni

arxiv:1208.1873 v1 · 2012-08-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4UCECSBI5GSQBJSGQN2OMNWIJ}

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	2026-05-18T01:55:17.187159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f28220a41474d280532341ba731b6424d316839d38c1415351dab44dd8f1ee0

Aliases

arxiv: 1208.1873 · arxiv_version: 1208.1873v1 · doi: 10.48550/arxiv.1208.1873 · pith_short_12: H4UCECSBI5GS · pith_short_16: H4UCECSBI5GSQBJS · pith_short_8: H4UCECSB

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/H4UCECSBI5GSQBJSGQN2OMNWIJ \
  | 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: 3f28220a41474d280532341ba731b6424d316839d38c1415351dab44dd8f1ee0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c40ddbf61d23816d4e2cd4854c19282a61ed07b0624e3e9ad5bd5df2bba4a12e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-08-09T11:06:00Z",
    "title_canon_sha256": "9d8badea71cbbcaf604eede8fdbc02f985df15019255090036d6f44b1033433d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.1873",
    "kind": "arxiv",
    "version": 1
  }
}