Pith Number

pith:EORB3QUX

pith:2015:EORB3QUX6KF4XCLYFGXUCDWVZQ

not attested not anchored not stored refs pending

Deep Imaging of M51: a New View of the Whirlpool's Extended Tidal Debris

Aaron E. Watkins, J. Christopher Mihos, Paul Harding

arxiv:1501.04599 v1 · 2015-01-19 · 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{EORB3QUX6KF4XCLYFGXUCDWVZQ}

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	2026-05-18T01:41:10.214970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23a21dc297f28bcb897829af410ed5cc2fd8c3e8afe58507e772d6c668e6a61b

Aliases

arxiv: 1501.04599 · arxiv_version: 1501.04599v1 · doi: 10.48550/arxiv.1501.04599 · pith_short_12: EORB3QUX6KF4 · pith_short_16: EORB3QUX6KF4XCLY · pith_short_8: EORB3QUX

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/EORB3QUX6KF4XCLYFGXUCDWVZQ \
  | 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: 23a21dc297f28bcb897829af410ed5cc2fd8c3e8afe58507e772d6c668e6a61b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22da63113f9215806ab83b68c69c347a1208b42385d2070b259c2f85e7304f99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-19T19:33:27Z",
    "title_canon_sha256": "ae4df6c9626bf02be1853119211306ee944dace5efeb449d278062fea5f52924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04599",
    "kind": "arxiv",
    "version": 1
  }
}