Pith Number

pith:I26XEXAQ

pith:2020:I26XEXAQWDOOLORAIE6ZDLP2DJ

not attested not anchored not stored refs pending

Close galaxy pairs with accurate photometric redshifts

Ana L. O'Mill, Diego Garc\'ia Lambas, Elizabeth J. Gonzalez, Enrique Gazta\~naga, Facundo Rodriguez, Ma{\l}gorzata Siudek, Mar Mezcua, Pablo Fosalba

arxiv:2001.07217 v1 · 2020-01-20 · astro-ph.GA · 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{I26XEXAQWDOOLORAIE6ZDLP2DJ}

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	2026-07-05T00:43:46.781874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46bd725c10b0dce5ba20413d91adfa1a43403e0c3099ee69cf8a52e8e1d6b534

Aliases

arxiv: 2001.07217 · arxiv_version: 2001.07217v1 · doi: 10.48550/arxiv.2001.07217 · pith_short_12: I26XEXAQWDOO · pith_short_16: I26XEXAQWDOOLORA · pith_short_8: I26XEXAQ

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/I26XEXAQWDOOLORAIE6ZDLP2DJ \
  | 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: 46bd725c10b0dce5ba20413d91adfa1a43403e0c3099ee69cf8a52e8e1d6b534

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e68180759804a932fb9d344162e6698c537beb929052cc322bf618674c70877",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-01-20T19:00:02Z",
    "title_canon_sha256": "974e574f5eeaf61407adb599982d9885afcb7c6a65cb0efb449003b099711e73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07217",
    "kind": "arxiv",
    "version": 1
  }
}