Pith Number

pith:VPL3F4AD

pith:2009:VPL3F4ADB7Z37ZQ7QINHN57P5P

not attested not anchored not stored refs pending

Detailed survey of the phase space around Nix and Hydra

\'Aron S\"uli (1), E\"otv\"os University, Hungary), Zsuzsa Zsigmond (1) ((1) Department of Astronomy

arxiv:0910.1271 v1 · 2009-10-07 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VPL3F4ADB7Z37ZQ7QINHN57P5P}

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	2026-05-18T04:37:33.695688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd7b2f0030ff3bfe61f821a76f7efebc2502054799875cbfbae295e840416bd

Aliases

arxiv: 0910.1271 · arxiv_version: 0910.1271v1 · doi: 10.48550/arxiv.0910.1271 · pith_short_12: VPL3F4ADB7Z3 · pith_short_16: VPL3F4ADB7Z37ZQ7 · pith_short_8: VPL3F4AD

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/VPL3F4ADB7Z37ZQ7QINHN57P5P \
  | 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: abd7b2f0030ff3bfe61f821a76f7efebc2502054799875cbfbae295e840416bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d6a40b4f60acdf87f5f679af003fbe343dbcba614a2e1f967f7e8e6d09d654c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-10-07T14:30:59Z",
    "title_canon_sha256": "b1a296b6d9463bd07b650819e99ed12e9464654da8834e459be6379af0c7266d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1271",
    "kind": "arxiv",
    "version": 1
  }
}