Pith Number

pith:GQFCVYU3

pith:2013:GQFCVYU3NHCSUSBELLLRHMIDYU

not attested not anchored not stored refs pending

Dust-obscured star-formation in the outskirts of XMMU J2235.3-2557, a massive galaxy cluster at z=1.4

A. C. Edge, A. M. Swinbank, B. Altieri, C. Lidman, C.R. Mullis, D. Lutz, H. Bohringer, I. Pintos-Castro, I. Valtchanov, J. S. Santos (ESA/ESAC), L. Conversi, L. Metcalfe, M. Sanchez-Portal, M. Tanaka, P. Popesso, P. Rosati, R.Demarco, S. Berta, T. D. Rawle, V. Strazzullo

arxiv:1305.1938 v1 · 2013-05-08 · astro-ph.CO

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

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	2026-05-18T01:50:04.525610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

340a2ae29b69c52a48245ad713b103c514aef15d785e4ddad64e83ac36bb646c

Aliases

arxiv: 1305.1938 · arxiv_version: 1305.1938v1 · doi: 10.48550/arxiv.1305.1938 · pith_short_12: GQFCVYU3NHCS · pith_short_16: GQFCVYU3NHCSUSBE · pith_short_8: GQFCVYU3

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/GQFCVYU3NHCSUSBELLLRHMIDYU \
  | 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: 340a2ae29b69c52a48245ad713b103c514aef15d785e4ddad64e83ac36bb646c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0d95ffe1558209830c8d96fde976aa9e6d49880ea2156bebc260adb0d70b489",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-08T20:00:10Z",
    "title_canon_sha256": "2487176c958105fc7dafabe1f53f9e202129452463f8fcf332098e0f7af966c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1938",
    "kind": "arxiv",
    "version": 1
  }
}