Pith Number

pith:ZMFLLSPC

pith:2005:ZMFLLSPCUNP25YKGUQAHMH4RNN

not attested not anchored not stored refs pending

FORS spectroscopy of galaxies in the Hubble Deep Field South

Alberto Franceschini, Dimitra Rigopoulou, Herve Aussel, Stefano Berta, William D. Vacca

arxiv:astro-ph/0501219 v1 · 2005-01-12 · 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{ZMFLLSPCUNP25YKGUQAHMH4RNN}

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	2026-07-04T16:50:36.552556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb0ab5c9e2a35faee146a400761f916b61b2c5c11c5289bac3cf0ceb304fd49e

Aliases

arxiv: astro-ph/0501219 · arxiv_version: astro-ph/0501219v1 · doi: 10.48550/arxiv.astro-ph/0501219 · pith_short_12: ZMFLLSPCUNP2 · pith_short_16: ZMFLLSPCUNP25YKG · pith_short_8: ZMFLLSPC

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/ZMFLLSPCUNP25YKGUQAHMH4RNN \
  | 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: cb0ab5c9e2a35faee146a400761f916b61b2c5c11c5289bac3cf0ceb304fd49e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf511e0a89941733ac545ff71852f22e6dae3ebef432c9ae0bef44a5fced8f89",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-12T16:18:16Z",
    "title_canon_sha256": "ac9a0a4a0ee20685d41ff53ca1a59556036cd5f218813acb757a8a2792a333ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501219",
    "kind": "arxiv",
    "version": 1
  }
}