Pith Number

pith:FTQ2DHIN

pith:2017:FTQ2DHINQ347CLGZRQJDBZ444Z

not attested not anchored not stored refs pending

A thin dust shell falling to a Reissner-Nordstrom black hole as seen by a freely falling observer

Alexander Shatskiy

arxiv:1706.02158 v1 · 2017-06-01 · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTQ2DHINQ347CLGZRQJDBZ444Z}

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	2026-05-18T00:36:03.145592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ce1a19d0d86f9f12cd98c1230e79ce667b0c62ff753a0ded9c50d426056e32a

Aliases

arxiv: 1706.02158 · arxiv_version: 1706.02158v1 · doi: 10.48550/arxiv.1706.02158 · pith_short_12: FTQ2DHINQ347 · pith_short_16: FTQ2DHINQ347CLGZ · pith_short_8: FTQ2DHIN

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/FTQ2DHINQ347CLGZRQJDBZ444Z \
  | 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: 2ce1a19d0d86f9f12cd98c1230e79ce667b0c62ff753a0ded9c50d426056e32a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0d3bbd9fb31a55bce3925d0497d596b7fa250475ae4323cbc35625d67a27afc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2017-06-01T18:22:30Z",
    "title_canon_sha256": "6a7fac6e55601ff0adb18ba315b089ef2f59566573e4dc215dd18a94087c3252"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.02158",
    "kind": "arxiv",
    "version": 1
  }
}