Pith Number

pith:ZLMT7ISQ

pith:1999:ZLMT7ISQF2QGYDBAS44MQ3TYG5

not attested not anchored not stored refs pending

Extension of Tycho catalog for low-extinction windows in the galactic bulge

G.A. Medina Tanco, J.E. Horvath, P. Benevides-Soares (Instituto Astron\^omico e Geof\'isico, R. Teixeira, T.P. Dominici, Universidade de S\~ao Paulo)

arxiv:astro-ph/9904077 v1 · 1999-04-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLMT7ISQF2QGYDBAS44MQ3TYG5}

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	2026-05-18T01:09:21.346437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cad93fa2502ea06c0c209738c86e7837565fa14879109d03d602d6a377ab6a6d

Aliases

arxiv: astro-ph/9904077 · arxiv_version: astro-ph/9904077v1 · doi: 10.48550/arxiv.astro-ph/9904077 · pith_short_12: ZLMT7ISQF2QG · pith_short_16: ZLMT7ISQF2QGYDBA · pith_short_8: ZLMT7ISQ

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/ZLMT7ISQF2QGYDBAS44MQ3TYG5 \
  | 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: cad93fa2502ea06c0c209738c86e7837565fa14879109d03d602d6a377ab6a6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cea8a074fb6ecc4800f97ac43517133e41a1c46d94ec5bfb4714f08294df527",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-04-06T22:38:20Z",
    "title_canon_sha256": "c66b1d5b37a9aa7ba72eb775260f707cbbf63593a4b1d19be4ced76601377603"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9904077",
    "kind": "arxiv",
    "version": 1
  }
}