Pith Number

pith:SUSLGHQR

pith:2016:SUSLGHQRVN7TG4NA5VFL3B65ZO

not attested not anchored not stored refs pending

Is there substructure around M87?

L. J. Oldham, N. W. Evans (Cambridge)

arxiv:1607.02477 v2 · 2016-07-08 · 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{SUSLGHQRVN7TG4NA5VFL3B65ZO}

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	2026-05-18T01:11:09.768805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9524b31e11ab7f3371a0ed4abd87ddcb99d16a65b2e84b733f3c4629aa036960

Aliases

arxiv: 1607.02477 · arxiv_version: 1607.02477v2 · doi: 10.48550/arxiv.1607.02477 · pith_short_12: SUSLGHQRVN7T · pith_short_16: SUSLGHQRVN7TG4NA · pith_short_8: SUSLGHQR

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/SUSLGHQRVN7TG4NA5VFL3B65ZO \
  | 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: 9524b31e11ab7f3371a0ed4abd87ddcb99d16a65b2e84b733f3c4629aa036960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16de20218600ffa72dae94ed6b6a88960f9af0173d1ad3a033b70fd6711331fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-07-08T18:11:20Z",
    "title_canon_sha256": "0bde776418ca9cea70041d57932a3a192b1309467f95e21bda61850f5bdb4195"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02477",
    "kind": "arxiv",
    "version": 2
  }
}