Pith Number

pith:QCLSZUNM

pith:2016:QCLSZUNMHHIMURXESLCPU4IORI

not attested not anchored not stored refs pending

Student project: Of spinning coins and merging black holes

Astronomy, Cardiff University), Joss Bland-Hawthorn (Sydney Institute for Astronomy, Rashmi Sudiwala (School of Physics, University of Sydney)

arxiv:1611.00070 v1 · 2016-10-31 · 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{QCLSZUNMHHIMURXESLCPU4IORI}

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	2026-05-18T01:00:41.477772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80972cd1ac39d0ca46e492c4fa710e8a3f1c251fdd3bbed51ab54a3b903a9c30

Aliases

arxiv: 1611.00070 · arxiv_version: 1611.00070v1 · doi: 10.48550/arxiv.1611.00070 · pith_short_12: QCLSZUNMHHIM · pith_short_16: QCLSZUNMHHIMURXE · pith_short_8: QCLSZUNM

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/QCLSZUNMHHIMURXESLCPU4IORI \
  | 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: 80972cd1ac39d0ca46e492c4fa710e8a3f1c251fdd3bbed51ab54a3b903a9c30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80b9a86093376a3e28710bb121b767f9078effd336cfde903d8cec0234cfd283",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-10-31T22:53:28Z",
    "title_canon_sha256": "b2f2585627120f25607c4fbac422823a19f96fc981105d7ebedd65e1f615e241"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00070",
    "kind": "arxiv",
    "version": 1
  }
}