Pith Number

pith:P7NZQRKP

pith:2013:P7NZQRKPDQ6WSYDC4YQLVP4YMK

not attested not anchored not stored refs pending

Probable detection of HI at $z\simeq 1.3$ from DEEP2 galaxies using the GMRT

Chandrashekar Murugesan, K. S. Dwarakanath, Shiv K. Sethi

arxiv:1305.4017 v1 · 2013-05-17 · 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{P7NZQRKPDQ6WSYDC4YQLVP4YMK}

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	2026-05-18T03:25:26.562379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fdb98454f1c3d696062e620babf98629b9b8e05f369b73e870536ede06ecd6c

Aliases

arxiv: 1305.4017 · arxiv_version: 1305.4017v1 · doi: 10.48550/arxiv.1305.4017 · pith_short_12: P7NZQRKPDQ6W · pith_short_16: P7NZQRKPDQ6WSYDC · pith_short_8: P7NZQRKP

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/P7NZQRKPDQ6WSYDC4YQLVP4YMK \
  | 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: 7fdb98454f1c3d696062e620babf98629b9b8e05f369b73e870536ede06ecd6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7bac6e0e98b1e258433db40f09bb393eb682065221a8922e77de6a98e16c1b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-17T08:56:51Z",
    "title_canon_sha256": "210de6642ffc9031dbdf7c1094e2389f6c2421713e5ddca3bde8066d2765ba0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4017",
    "kind": "arxiv",
    "version": 1
  }
}