Pith Number

pith:X5V5DI55

pith:2012:X5V5DI55T3MKTRKCAGILIADDFY

not attested not anchored not stored refs pending

Combining and comparing astrometric data from different epochs: A case study with Hipparcos and Nano-JASMINE

Daniel Michalik, David Hobbs, Lennart Lindegren, Uwe Lammers, Yoshiyuki Yamada

arxiv:1201.2849 v1 · 2012-01-13 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X5V5DI55T3MKTRKCAGILIADDFY}

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	2026-05-18T04:04:43.019929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf6bd1a3bd9ed8a9c5420190b400632e29f93965c1fe408b78f1cfa967337996

Aliases

arxiv: 1201.2849 · arxiv_version: 1201.2849v1 · doi: 10.48550/arxiv.1201.2849 · pith_short_12: X5V5DI55T3MK · pith_short_16: X5V5DI55T3MKTRKC · pith_short_8: X5V5DI55

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/X5V5DI55T3MKTRKCAGILIADDFY \
  | 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: bf6bd1a3bd9ed8a9c5420190b400632e29f93965c1fe408b78f1cfa967337996

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb2d419a32b9ca9422cfbdbf3ad8405d54298ff38cd61e83c9fa654f86477142",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2012-01-13T14:37:40Z",
    "title_canon_sha256": "22b41c30e67c0bfb8095d3fb03ddb1ce3efb455ea13ccbb4f12588b33d0c485f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2849",
    "kind": "arxiv",
    "version": 1
  }
}