Pith Number

pith:53KP53G5

pith:2019:53KP53G5HOU3AFQWO7RJODJJDD

not attested not anchored not stored refs pending

Hubble Space Telescope Imaging of Antlia B: Star Formation History and a New Tip of the Red Giant Branch Distance

A. E. Dolphin, A. H. G. Peter, B. Willman, C. J. Grillmair, D. Crnojevi\'c, D. J. Sand, D. R. Weisz, J. L. Carlin, Jonathan R. Hargis, K. Spekkens, S. Albers

arxiv:1907.07185 v1 · 2019-07-16 · 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{53KP53G5HOU3AFQWO7RJODJJDD}

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	2026-05-17T23:40:27.485413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eed4feecdd3ba9b0161677e2970d2918eefb5d0e894beec1a384a0e8ccb6e58e

Aliases

arxiv: 1907.07185 · arxiv_version: 1907.07185v1 · doi: 10.48550/arxiv.1907.07185 · pith_short_12: 53KP53G5HOU3 · pith_short_16: 53KP53G5HOU3AFQW · pith_short_8: 53KP53G5

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/53KP53G5HOU3AFQWO7RJODJJDD \
  | 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: eed4feecdd3ba9b0161677e2970d2918eefb5d0e894beec1a384a0e8ccb6e58e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcd8ab79107e837ca35d70969ef1889f45dc04054621f8534090e3403c7e2c7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-16T18:00:00Z",
    "title_canon_sha256": "7d2c99eb114399c9fc0f4606028b198d47244ba359f67edb618c2c98b9abc95f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.07185",
    "kind": "arxiv",
    "version": 1
  }
}