Pith Number

pith:5STHJ7M4

pith:2015:5STHJ7M4GGDDK6BDIEVU474AAJ

not attested not anchored not stored refs pending

Are z>2 Herschel galaxies proto-spheroids?

C. Gruppioni, F. Calura, F. Matteucci, F.Pozzi, G. Cresci, G. L. Granato, G. Zamorani, L. Pozzetti, L. Silva

arxiv:1502.03686 v1 · 2015-02-12 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5STHJ7M4GGDDK6BDIEVU474AAJ}

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	2026-05-18T01:41:03.608541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eca674fd9c3186357823412b4e7f80026d61782483b8c2c024378960c0be24de

Aliases

arxiv: 1502.03686 · arxiv_version: 1502.03686v1 · doi: 10.48550/arxiv.1502.03686 · pith_short_12: 5STHJ7M4GGDD · pith_short_16: 5STHJ7M4GGDDK6BD · pith_short_8: 5STHJ7M4

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/5STHJ7M4GGDDK6BDIEVU474AAJ \
  | 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: eca674fd9c3186357823412b4e7f80026d61782483b8c2c024378960c0be24de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1f054cb29aaae421e3bdde17f44a0020c5624f2a0e42ecf40509f90910dc490",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-02-12T14:53:06Z",
    "title_canon_sha256": "0355f0347ddb5f7d676db3436118cff2f37fe35957e8578146b6946f2b60b6bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03686",
    "kind": "arxiv",
    "version": 1
  }
}