Pith Number

pith:PFJFCB67

pith:2023:PFJFCB67FIECVQKPIYDBGN46MU

not attested not anchored not stored refs pending

GraL spectroscopic identification of multiply imaged quasars

Alberto Krone-Martins, Andrew Drake, Anna Nierenberg, Ashish A. Mahabal, Carolina Sp\'indola-Duarte, C\'eline Boehm, Christine Ducourant, Daniel Stern, Dominique Sluse, Dougal Dobie, Eric Slezak, Fran\c{c}ois Mignard, Jakob Sebastian den Brok, Jean-Fran\c{c}ois LeCampion, Jean Surdej, Joachim Wambsganss, Jonas Kl\"uter, Joseph Simon, Laurent Galluccio, Ludovic Delchambre, Matthew J. Graham, Priyanka Jalan, Ramachrisna Teixera, Sergio Scarano, S. George Djorgovski, Tara Murphy, Vibhore Negi

arxiv:2312.08217 v1 · 2023-12-13 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFJFCB67FIECVQKPIYDBGN46MU}

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	2026-07-05T07:23:43.163758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79525107df2a082ac14f460613379e652a4eb0e5ea2d8e1829284a75c0143115

Aliases

arxiv: 2312.08217 · arxiv_version: 2312.08217v1 · doi: 10.48550/arxiv.2312.08217 · pith_short_12: PFJFCB67FIEC · pith_short_16: PFJFCB67FIECVQKP · pith_short_8: PFJFCB67

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/PFJFCB67FIECVQKPIYDBGN46MU \
  | 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: 79525107df2a082ac14f460613379e652a4eb0e5ea2d8e1829284a75c0143115

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9202761e9511599a5b8becf8810bd8593c6ce4b9f52b9480a26be6c20959135",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-12-13T15:36:24Z",
    "title_canon_sha256": "875609da6a5ba6ca50a05df28ab4f27360cef1db92a5b26ef914b5af206e5c8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.08217",
    "kind": "arxiv",
    "version": 1
  }
}