Pith Number

pith:3E2SDIHF

pith:2003:3E2SDIHFKSVKX73D2TLCJT5U7P

not attested not anchored not stored refs pending

HST Astrometry of M4 and the Galactic Constant V_0/R_0

(2) Astronomy Department, (3) Rice University, G. Piotto (1), I. R. King (2), ITA, J. Anderson (3) ((1) Dipartimento di Astronomia, L. R. Bedin (1), Universita` di Padova, University of Washington, USA, USA)

arxiv:astro-ph/0304071 v1 · 2003-04-03 · 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{3E2SDIHFKSVKX73D2TLCJT5U7P}

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	2026-07-04T16:36:47.446908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d93521a0e554aaabff63d4d624cfb4fbf4ae81858d9d2a86e9d2d93268bc8f4c

Aliases

arxiv: astro-ph/0304071 · arxiv_version: astro-ph/0304071v1 · doi: 10.48550/arxiv.astro-ph/0304071 · pith_short_12: 3E2SDIHFKSVK · pith_short_16: 3E2SDIHFKSVKX73D · pith_short_8: 3E2SDIHF

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/3E2SDIHFKSVKX73D2TLCJT5U7P \
  | 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: d93521a0e554aaabff63d4d624cfb4fbf4ae81858d9d2a86e9d2d93268bc8f4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cddcc5e2ef2953518c1676f038470a6bebe70d5abc2d10739610ad494598d8e2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-03T10:21:32Z",
    "title_canon_sha256": "183d301d0575a6b1cb96daa93e7ec02120c54a0f96282213536120db9b453d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304071",
    "kind": "arxiv",
    "version": 1
  }
}