Pith Number

pith:PVITCPET

pith:2008:PVITCPETV76XAJQLWNX263AT2P

not attested not anchored not stored refs pending

Activity induced by Gravitational Interaction in Galaxy Pairs

D. Dultzin, E.M. Huerta, F. Hernandez-Ibarra, H. Hernandez-Toledo, I. Cruz-Gonzalez, J.J. Gonzalez, L. Olguin, P. Marziani, Y. Krongold

arxiv:0809.1680 v1 · 2008-09-09 · 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{PVITCPETV76XAJQLWNX263AT2P}

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	2026-07-04T15:14:12.645582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d51313c93affd70260bb36faf6c13d3f046b07bac5dd5cf66a65efbf2447a8e

Aliases

arxiv: 0809.1680 · arxiv_version: 0809.1680v1 · doi: 10.48550/arxiv.0809.1680 · pith_short_12: PVITCPETV76X · pith_short_16: PVITCPETV76XAJQL · pith_short_8: PVITCPET

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/PVITCPETV76XAJQLWNX263AT2P \
  | 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: 7d51313c93affd70260bb36faf6c13d3f046b07bac5dd5cf66a65efbf2447a8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37ba5c1a1d7735b5ccd4016a8465e5b6141c447f65a93c39c91ba44c88ae1921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-09T21:44:43Z",
    "title_canon_sha256": "a3d1f295357e853528a9af82f5b42cbad5c3462720bf1d9474ff33939e067b94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.1680",
    "kind": "arxiv",
    "version": 1
  }
}