Pith Number

pith:FL2TIAGT

pith:2008:FL2TIAGTK5SHAEHHIXTW65B42E

not attested not anchored not stored refs pending

The Environment of Sy1, Sy2 & Bright IRAS Galaxies

C.Goudis, D.Dultzin, E.Chatzichristou, E.Koulouridis, M.Plionis, V.Chavushyan, Y.Krongold

arxiv:0807.2545 v1 · 2008-07-16 · 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{FL2TIAGTK5SHAEHHIXTW65B42E}

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	2026-05-18T02:59:16.734635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2af53400d357647010e745e76f743cd1004f0a259b58b48a9b18a84f29a50240

Aliases

arxiv: 0807.2545 · arxiv_version: 0807.2545v1 · doi: 10.48550/arxiv.0807.2545 · pith_short_12: FL2TIAGTK5SH · pith_short_16: FL2TIAGTK5SHAEHH · pith_short_8: FL2TIAGT

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/FL2TIAGTK5SHAEHHIXTW65B42E \
  | 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: 2af53400d357647010e745e76f743cd1004f0a259b58b48a9b18a84f29a50240

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e3531619ed1b901556b5c99173163413bfd39dbb1b2b100d9ebab4b6a33d7e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-07-16T11:23:57Z",
    "title_canon_sha256": "c7122e06472f4998c8980c01bcecda10155446a14bc5bc4a08a7b2086c87c263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2545",
    "kind": "arxiv",
    "version": 1
  }
}