Pith Number

pith:TPFTFJ4H

pith:2007:TPFTFJ4HMW3KN5B4ATDWKZL6UD

not attested not anchored not stored refs pending

The Arecibo Legacy Fast ALFA Survey: IV. Strategies for Signal Identification and Survey Catalog Reliability

Amelie Saintonge

arxiv:astro-ph/0702178 v1 · 2007-02-06 · 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{TPFTFJ4HMW3KN5B4ATDWKZL6UD}

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.

Cited by

1 paper in Pith

Particle Cosmology: 1980-2000

Receipt and verification

First computed	2026-07-04T15:25:01.786425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bcb32a78765b6a6f43c04c765657ea0d5307ddf52b2a664e1ce897eb818d109

Aliases

arxiv: astro-ph/0702178 · arxiv_version: astro-ph/0702178v1 · doi: 10.48550/arxiv.astro-ph/0702178 · pith_short_12: TPFTFJ4HMW3K · pith_short_16: TPFTFJ4HMW3KN5B4 · pith_short_8: TPFTFJ4H

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/TPFTFJ4HMW3KN5B4ATDWKZL6UD \
  | 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: 9bcb32a78765b6a6f43c04c765657ea0d5307ddf52b2a664e1ce897eb818d109

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7b0a3672b9d049c49da6ce48f18804571350d26be1d049e67a5beddd55f89a5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-06T23:44:40Z",
    "title_canon_sha256": "de314a4713fa83ad6af4a28bd6526870c4a135cdb8257b9655a51da82b39b6f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702178",
    "kind": "arxiv",
    "version": 1
  }
}