Pith Number

pith:DQSUM7NX

pith:2023:DQSUM7NXC2TXIZV46GU5WSGROF

not attested not anchored not stored refs pending

Detection of HI 21 cm emission from a strongly lensed galaxy at z~1.3

Arnab Chakraborty, Nirupam Roy

arxiv:2301.05987 v1 · 2023-01-14 · 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{DQSUM7NXC2TXIZV46GU5WSGROF}

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	2026-07-05T05:35:33.324575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c25467db716a77466bcf1a9db48d1717df169676f38e4ba9a4c9dcba28353ac

Aliases

arxiv: 2301.05987 · arxiv_version: 2301.05987v1 · doi: 10.48550/arxiv.2301.05987 · pith_short_12: DQSUM7NXC2TX · pith_short_16: DQSUM7NXC2TXIZV4 · pith_short_8: DQSUM7NX

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/DQSUM7NXC2TXIZV46GU5WSGROF \
  | 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: 1c25467db716a77466bcf1a9db48d1717df169676f38e4ba9a4c9dcba28353ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cff02ce9e17945bfaff6f95c84946c40f49394a92edf9ca56e5b5172bbd952b6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2023-01-14T22:55:41Z",
    "title_canon_sha256": "c08190d8557467d8c2e39bbfd19137733306b5e40b364169be33b778576fc664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05987",
    "kind": "arxiv",
    "version": 1
  }
}