Pith Number

pith:PZTBKWF4

pith:2019:PZTBKWF4WPLN56UYTVESUC77J5

not attested not anchored not stored refs pending

Lorentz Factor Evolution of an Expanding Jet Shell Observed in Gamma-ray Burst: Case study of GRB 160625B

Da-Bin Lin, En-Wei Liang, Rui-Jing Lu, Shen-Shi Du, Tong Liu, Xiang-Gao Wang

arxiv:1908.04641 v1 · 2019-08-13 · 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{PZTBKWF4WPLN56UYTVESUC77J5}

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	2026-07-05T00:10:41.700502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e661558bcb3d6defa989d492a0bff4f781a3f422da2b04804cddcaeda59d2d3

Aliases

arxiv: 1908.04641 · arxiv_version: 1908.04641v1 · doi: 10.48550/arxiv.1908.04641 · pith_short_12: PZTBKWF4WPLN · pith_short_16: PZTBKWF4WPLN56UY · pith_short_8: PZTBKWF4

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/PZTBKWF4WPLN56UYTVESUC77J5 \
  | 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: 7e661558bcb3d6defa989d492a0bff4f781a3f422da2b04804cddcaeda59d2d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9372a72eaf7f315a120f477757be8aacb8652e91d45e9a218eeced536f3a3f4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-13T13:45:52Z",
    "title_canon_sha256": "6c18fda97b686022b5df94b315ae205c8e3729f09098340da1ca9fd4987aa3ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04641",
    "kind": "arxiv",
    "version": 1
  }
}