Pith Number

pith:YWCBRUHZ

pith:2011:YWCBRUHZ747MZECU3ECAEFU6ON

not attested not anchored not stored refs pending

The Effelsberg-Bonn HI Survey (EBHIS)

Benjamin Winkel, Juergen Kerp, Lars Floeer, Nadya Ben Bekhti, Peter Kalberla

arxiv:1104.1185 v1 · 2011-04-06 · 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{YWCBRUHZ747MZECU3ECAEFU6ON}

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	2026-05-18T02:02:37.014080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c58418d0f9ff3ecc9054d90402169e736f736a29e276edd8af89bcd01ca24564

Aliases

arxiv: 1104.1185 · arxiv_version: 1104.1185v1 · doi: 10.48550/arxiv.1104.1185 · pith_short_12: YWCBRUHZ747M · pith_short_16: YWCBRUHZ747MZECU · pith_short_8: YWCBRUHZ

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/YWCBRUHZ747MZECU3ECAEFU6ON \
  | 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: c58418d0f9ff3ecc9054d90402169e736f736a29e276edd8af89bcd01ca24564

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ade572acfd9a39759b19ada36af51ee6b927c12f6053713b044556bb4c4aadae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-04-06T20:19:18Z",
    "title_canon_sha256": "cc9db186883d64c3c19b33400a56604ba20a90069fc144dc91b1aca459d1712f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1185",
    "kind": "arxiv",
    "version": 1
  }
}