Pith Number

pith:EKDBVJES

pith:2005:EKDBVJESSQTQQC2VZOJQU5FM4P

not attested not anchored not stored refs pending

Halo Spacetime

Mark D. Roberts

arxiv:astro-ph/0511241 v5 · 2005-11-08 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKDBVJESSQTQQC2VZOJQU5FM4P}

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	2026-05-18T04:26:46.072724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22861aa4929427080b55cb930a74ace3f98d264660f9f84708d392d651cdffb0

Aliases

arxiv: astro-ph/0511241 · arxiv_version: astro-ph/0511241v5 · doi: 10.48550/arxiv.astro-ph/0511241 · pith_short_12: EKDBVJESSQTQ · pith_short_16: EKDBVJESSQTQQC2V · pith_short_8: EKDBVJES

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/EKDBVJESSQTQQC2VZOJQU5FM4P \
  | 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: 22861aa4929427080b55cb930a74ace3f98d264660f9f84708d392d651cdffb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6ac263fd113ec72fd3e649ff9fa8c5e4958b1128a27b1fb5c0c11dd3f20fba4",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-11-08T21:13:58Z",
    "title_canon_sha256": "e1b429d3b3aec7636d1e19bc4b13dbe0e707309edb30a07ebf7273a995838e37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0511241",
    "kind": "arxiv",
    "version": 5
  }
}