Pith Number

pith:GKA5QUBT

pith:2015:GKA5QUBTMEM55LEXWISR4GPISN

not attested not anchored not stored refs pending

Hubble Frontier Fields: Predictions for the Return of SN Refsdal with the MUSE and GMOS Spectrographs

ACRU), B. Cl\'ement (CRAL), D. Eckert (Geneva), E. Egami (Steward), E. Jullo (LAM), G. Mahler (CRAL), G. P. Smith, H. Atek (Yale), Hawaii), H. Ebeling (IfA, J.-P. Kneib (EPFL, J. Richard (CRAL), K. Knowles (ACRU), LAM), M. Jauzac (Durham, M. Limousin (LAM), M. Rexroth (EPFL), P. Natarajan (Yale), R. Massey (Durham)

arxiv:1509.08914 v4 · 2015-09-29 · astro-ph.GA · 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{GKA5QUBTMEM55LEXWISR4GPISN}

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	2026-05-18T01:20:42.789765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3281d850336119deac97b2251e19e893785fec1deaa166094c6136e2b6c6de4d

Aliases

arxiv: 1509.08914 · arxiv_version: 1509.08914v4 · doi: 10.48550/arxiv.1509.08914 · pith_short_12: GKA5QUBTMEM5 · pith_short_16: GKA5QUBTMEM55LEX · pith_short_8: GKA5QUBT

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/GKA5QUBTMEM55LEXWISR4GPISN \
  | 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: 3281d850336119deac97b2251e19e893785fec1deaa166094c6136e2b6c6de4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e058f4c2eb371edeffdecad6d4e14883b9c5bddf01b7329c718950c4929a9677",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-09-29T20:01:32Z",
    "title_canon_sha256": "a2016909ad3935d15c815e73665b10cea460c5fc68e49e1c6b327dd5fbe31b7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08914",
    "kind": "arxiv",
    "version": 4
  }
}