Pith Number

pith:2GQIVJ4G

pith:2011:2GQIVJ4GXBIUSI4PF6DFBTYY5Y

not attested not anchored not stored refs pending

MASSIV: Mass Assembly Survey with SINFONI in VVDS. III. Evidence for positive metallicity gradients in z~1.2 star-forming galaxies

B. Epinat, B. Garilli, C. Lopez-Sanjuan, D. Vergani, E. Perez-Montero, J. Moultaka, J. Queyrel, L. Paioro, L. Tasca, L. Tresse, M. Kissler-Patig, O. Le Fevre, P. Amram, T. Contini

arxiv:1111.3697 v1 · 2011-11-16 · 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{2GQIVJ4GXBIUSI4PF6DFBTYY5Y}

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	2026-05-18T01:59:32.624707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1a08aa786b85149238f2f8650cf18ee2d0c5c29e399475f8faf434e21a7450a

Aliases

arxiv: 1111.3697 · arxiv_version: 1111.3697v1 · doi: 10.48550/arxiv.1111.3697 · pith_short_12: 2GQIVJ4GXBIU · pith_short_16: 2GQIVJ4GXBIUSI4P · pith_short_8: 2GQIVJ4G

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/2GQIVJ4GXBIUSI4PF6DFBTYY5Y \
  | 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: d1a08aa786b85149238f2f8650cf18ee2d0c5c29e399475f8faf434e21a7450a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e046718e571e2d6419c7bfaed10004a38e6d3c8a1abeadb18e6d7532c0a343f6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-11-16T00:30:55Z",
    "title_canon_sha256": "c9a8ed5787cfd5405ed53e39280aeb27abcbc4eebcb82f2959f74312fe7ccb3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.3697",
    "kind": "arxiv",
    "version": 1
  }
}