Pith Number

pith:U3OIW3VR

pith:2014:U3OIW3VR2PDQHEURX3UMZEG5DD

not attested not anchored not stored refs pending

CCD BVRI and 2MASS Photometry of the Poorly Studied Open Cluster NGC 6631

A. Essam, A. L. Tadross, A. Osman, H. Priya, R. Bendary

arxiv:1403.0546 v1 · 2014-03-03 · 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{U3OIW3VR2PDQHEURX3UMZEG5DD}

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	2026-05-18T02:57:24.583641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6dc8b6eb1d3c7039291bee8cc90dd18e20ad1c6722ebb6f0a695555566f476e

Aliases

arxiv: 1403.0546 · arxiv_version: 1403.0546v1 · doi: 10.48550/arxiv.1403.0546 · pith_short_12: U3OIW3VR2PDQ · pith_short_16: U3OIW3VR2PDQHEUR · pith_short_8: U3OIW3VR

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/U3OIW3VR2PDQHEURX3UMZEG5DD \
  | 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: a6dc8b6eb1d3c7039291bee8cc90dd18e20ad1c6722ebb6f0a695555566f476e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3710268dda4ce65a64d92c880cbf70189148823938b942e8c2bb2dc0bd96ed6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-03T20:02:01Z",
    "title_canon_sha256": "fb7c0bb8adb7a1b4f8d85143afcb7df320318d95f46d2dc73e2624e06e495bbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0546",
    "kind": "arxiv",
    "version": 1
  }
}