Pith Number

pith:H26D6MUM

pith:2026:H26D6MUMF35L355TKI4ALW5AFX

not attested not anchored not stored refs pending

Non-trivial boundary conditions in general-relativistic models

Davide Astesiano, Federico Re, Matteo Luca Ruggiero

arxiv:2606.18868 v1 · 2026-06-17 · 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{H26D6MUMF35L355TKI4ALW5AFX}

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	2026-06-19T16:11:50.230729Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ebc3f328c2efabdf7b3523805dba02dd40825277f026fbc32072917f4f7568c

Aliases

arxiv: 2606.18868 · arxiv_version: 2606.18868v1 · doi: 10.48550/arxiv.2606.18868 · pith_short_12: H26D6MUMF35L · pith_short_16: H26D6MUMF35L355T · pith_short_8: H26D6MUM

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/H26D6MUMF35L355TKI4ALW5AFX \
  | 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: 3ebc3f328c2efabdf7b3523805dba02dd40825277f026fbc32072917f4f7568c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95db9741e4e401cd443d050f18d10bf71fd76c987f7967e416cc8a16b41d6be0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-06-17T09:47:52Z",
    "title_canon_sha256": "825228862eea1d9124f3e9c7268c6d683bfb9e73ca2fc75091e1badab7c0b522"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.18868",
    "kind": "arxiv",
    "version": 1
  }
}