Pith Number

pith:T72ZOER4

pith:2015:T72ZOER4YFAIWTCTKXK3KJJV4T

not attested not anchored not stored refs pending

Bulk Flows and End of the Dark Ages with the SKA

Benedetta Ciardi, Leon V. E. Koopmans, Umberto Maio

arxiv:1501.04104 v1 · 2015-01-16 · astro-ph.CO · 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{T72ZOER4YFAIWTCTKXK3KJJV4T}

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	2026-05-18T02:29:10.012342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ff597123cc1408b4c5355d5b52535e4e7afa61b5c927e899896922d6a83a39a

Aliases

arxiv: 1501.04104 · arxiv_version: 1501.04104v1 · doi: 10.48550/arxiv.1501.04104 · pith_short_12: T72ZOER4YFAI · pith_short_16: T72ZOER4YFAIWTCT · pith_short_8: T72ZOER4

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/T72ZOER4YFAIWTCTKXK3KJJV4T \
  | 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: 9ff597123cc1408b4c5355d5b52535e4e7afa61b5c927e899896922d6a83a39a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bba9d9892b598fe2885633a5abd2fc7c28438c15a9868e5dac0aa6c65c404ae4",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-01-16T21:00:05Z",
    "title_canon_sha256": "489ad05870123aa8807b352edfb8ac7f5f889bd83d5e9d37d7ffb272aa0ad7df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04104",
    "kind": "arxiv",
    "version": 1
  }
}