Pith Number

pith:JZY3SKZV

pith:2019:JZY3SKZVFFCVLBY3EOLGNSSGAH

not attested not anchored not stored refs pending

Spectroscopy with the Engineering Development Array: cold H$^{+}$ at 63 MHz towards the Galactic Centre

E. L. Alexander, J. B. R. Oonk, J. W. Broderick, M. Sokolowski, R. Wayth

arxiv:1907.03127 v1 · 2019-07-06 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JZY3SKZVFFCVLBY3EOLGNSSGAH}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:40:29.757730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e71b92b35294555871b239666ca4601d979d1bcbe55229ca256be6d5baaff89

Aliases

arxiv: 1907.03127 · arxiv_version: 1907.03127v1 · doi: 10.48550/arxiv.1907.03127 · pith_short_12: JZY3SKZVFFCV · pith_short_16: JZY3SKZVFFCVLBY3 · pith_short_8: JZY3SKZV

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/JZY3SKZVFFCVLBY3EOLGNSSGAH \
  | 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: 4e71b92b35294555871b239666ca4601d979d1bcbe55229ca256be6d5baaff89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5649cff351e120c39f9bf982043727613f688372abd817f84d74f1d04c04075e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-06T13:45:54Z",
    "title_canon_sha256": "6ee531a0d5d5b4fa688b9ff201799c3d6bcb17fd0dbb9cbd67685e08867591dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03127",
    "kind": "arxiv",
    "version": 1
  }
}