Pith Number

pith:TMPSTFLO

pith:2018:TMPSTFLOQ7K6ZWVRV4SYG3AUBT

not attested not anchored not stored refs pending

Measurements of the global 21-cm signal from the Cosmic Dawn

G. Bernardi

arxiv:1802.07532 v1 · 2018-02-21 · 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{TMPSTFLOQ7K6ZWVRV4SYG3AUBT}

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	2026-05-18T00:07:35.061995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b1f29956e87d5ecdab1af25836c140ce1360085cd06985a4794b6f05625a6ce

Aliases

arxiv: 1802.07532 · arxiv_version: 1802.07532v1 · doi: 10.48550/arxiv.1802.07532 · pith_short_12: TMPSTFLOQ7K6 · pith_short_16: TMPSTFLOQ7K6ZWVR · pith_short_8: TMPSTFLO

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/TMPSTFLOQ7K6ZWVRV4SYG3AUBT \
  | 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: 9b1f29956e87d5ecdab1af25836c140ce1360085cd06985a4794b6f05625a6ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "398f1c5a46075b79d0bce2a4139a54ed7e4e64dd1ff95a5926165d19e932c14a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-02-21T12:04:23Z",
    "title_canon_sha256": "c1aee4cb73dfd94f0fa3ae12ea672eb38b812c6024615b64acb7980e7822d763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.07532",
    "kind": "arxiv",
    "version": 1
  }
}