Pith Number

pith:YSLTOVFY

pith:2020:YSLTOVFY574RTKXTSTH43H4PMO

not attested not anchored not stored refs pending

Echoes from phantom wormholes

Bin Wang, Hang Liu, Jian-Pin Wu, Peng Liu, Yunqi Liu

arxiv:2007.09078 v2 · 2020-07-17 · gr-qc · astro-ph.HE · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSLTOVFY574RTKXTSTH43H4PMO}

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.

Cited by

1 paper in Pith

Can we distinguish whether black holes have singularities or not through echoes and light rings?

Receipt and verification

First computed	2026-07-05T02:06:10.843811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4973754b8eff919aaf394cfcd9f8f63b5c9c273fda6e68d011b464ad14fbb92

Aliases

arxiv: 2007.09078 · arxiv_version: 2007.09078v2 · doi: 10.48550/arxiv.2007.09078 · pith_short_12: YSLTOVFY574R · pith_short_16: YSLTOVFY574RTKXT · pith_short_8: YSLTOVFY

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/YSLTOVFY574RTKXTSTH43H4PMO \
  | 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: c4973754b8eff919aaf394cfcd9f8f63b5c9c273fda6e68d011b464ad14fbb92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b2a3cd9c3121537876588306df60d3bfce3f15e571ee24e675b5c412d7736435",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-07-17T16:00:39Z",
    "title_canon_sha256": "d321b9159f6fbcf3e5b64ae4d115dd0c89734d39ab7b409a3a2c7788a6926043"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.09078",
    "kind": "arxiv",
    "version": 2
  }
}