Pith Number

pith:PGMJD7GE

pith:2023:PGMJD7GE4DSNRTB2Z3DOQANHTZ

not attested not anchored not stored refs pending

Circumstellar Material Ejected Violently by A Massive Star Immediately before its Death

Danfeng Xiang, Han Lin, Huijuan Wang, Jialian Liu, Jinming Bai, Jujia Zhang, Liping Li, Shenyu Yan, Xiaofeng Wang, Zeyi Zhao

arxiv:2309.01998 v3 · 2023-09-05 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PGMJD7GE4DSNRTB2Z3DOQANHTZ}

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	2026-07-05T07:06:33.949558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

799891fcc4e0e4d8cc3acec6e801a79e7bb1c70efc19d2a7241ea38ae6ddff5f

Aliases

arxiv: 2309.01998 · arxiv_version: 2309.01998v3 · doi: 10.48550/arxiv.2309.01998 · pith_short_12: PGMJD7GE4DSN · pith_short_16: PGMJD7GE4DSNRTB2 · pith_short_8: PGMJD7GE

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/PGMJD7GE4DSNRTB2Z3DOQANHTZ \
  | 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: 799891fcc4e0e4d8cc3acec6e801a79e7bb1c70efc19d2a7241ea38ae6ddff5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a7fd9a9898138864928c5cc1c373bc8be4eca35e50b83c41bbe4959b7c715b3",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2023-09-05T07:28:32Z",
    "title_canon_sha256": "4752c01fcafe528a0f933cd150b85499995a61df0c924cef6cc7f6faee70e63e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.01998",
    "kind": "arxiv",
    "version": 3
  }
}