Pith Number

pith:W4TFPGKC

pith:2017:W4TFPGKC2R47ZX5UNWWJDU4ZZI

not attested not anchored not stored refs pending

Disk origin of broad optical emission lines of the TDE candidate PTF09djl

F.K. Liu, L.C. Ho, R. Cao, S. Komossa, Z.Q. Zhou

arxiv:1710.04229 v1 · 2017-10-11 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4TFPGKC2R47ZX5UNWWJDU4ZZI}

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	2026-05-18T00:30:40.630364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b726579942d479fcdfb46dac91d399ca21781e931523a150a489e7c8972d966d

Aliases

arxiv: 1710.04229 · arxiv_version: 1710.04229v1 · doi: 10.48550/arxiv.1710.04229 · pith_short_12: W4TFPGKC2R47 · pith_short_16: W4TFPGKC2R47ZX5U · pith_short_8: W4TFPGKC

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/W4TFPGKC2R47ZX5UNWWJDU4ZZI \
  | 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: b726579942d479fcdfb46dac91d399ca21781e931523a150a489e7c8972d966d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52896fbac9ecfe2f829e620a2f29ae6de6fc949ad70f53d38e0ee94faf797058",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-10-11T18:00:13Z",
    "title_canon_sha256": "68c5d098e15d37bae5d0065315bd1a6bf47c84b079ee05e54e3a72ec9db14cf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.04229",
    "kind": "arxiv",
    "version": 1
  }
}