Pith Number

pith:WH63VS4F

pith:2018:WH63VS4FXFV2Q4XX7ILSGDVEY3

not attested not anchored not stored refs pending

Effects of environment on sSFR profiles of late-type galaxies in the CALIFA survey

D. Mast, H. J. Mart\'inez, H. Muriel, M. Merch\'an, V. Coenda

arxiv:1811.08910 v1 · 2018-11-21 · 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{WH63VS4FXFV2Q4XX7ILSGDVEY3}

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	2026-05-17T23:55:53.899385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1fdbacb85b96ba872f7fa17230ea4c6f3490ef76ee31230d5157e8f6b62ac30

Aliases

arxiv: 1811.08910 · arxiv_version: 1811.08910v1 · doi: 10.48550/arxiv.1811.08910 · pith_short_12: WH63VS4FXFV2 · pith_short_16: WH63VS4FXFV2Q4XX · pith_short_8: WH63VS4F

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/WH63VS4FXFV2Q4XX7ILSGDVEY3 \
  | 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: b1fdbacb85b96ba872f7fa17230ea4c6f3490ef76ee31230d5157e8f6b62ac30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43575243d5592c12416ca03cf16a65eef12e01cc0f968ef927b59eac1a4e7921",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-11-21T19:00:06Z",
    "title_canon_sha256": "17edc3aa83b7fbb9f70ce9011f285e81dcc30baa44eb10761d516466d7adaa60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.08910",
    "kind": "arxiv",
    "version": 1
  }
}