Pith Number

pith:M3JXVHSN

pith:2013:M3JXVHSNS37IWVQGIA4HTFAQCA

not attested not anchored not stored refs pending

The promise of recent and future observatories and instruments

Lex Kaper

arxiv:1308.3595 v1 · 2013-08-16 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{M3JXVHSNS37IWVQGIA4HTFAQCA}

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	2026-05-18T01:48:14.697644Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66d37a9e4d96fe8b56064038799410103c6f4c15006499cbdb4aacf469aa7d82

Aliases

arxiv: 1308.3595 · arxiv_version: 1308.3595v1 · doi: 10.48550/arxiv.1308.3595 · pith_short_12: M3JXVHSNS37I · pith_short_16: M3JXVHSNS37IWVQG · pith_short_8: M3JXVHSN

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/M3JXVHSNS37IWVQGIA4HTFAQCA \
  | 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: 66d37a9e4d96fe8b56064038799410103c6f4c15006499cbdb4aacf469aa7d82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b540f7fd8f1a930ce598d7efb1c85952c0240f614eac20573d6d56eedf397eec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-08-16T10:33:53Z",
    "title_canon_sha256": "cdc7cc5b1cbd8ee06eaa188c2c8a13a44bafcbb2126eea61d2544da377d09524"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3595",
    "kind": "arxiv",
    "version": 1
  }
}