Pith Number

pith:Z6I7UUJD

pith:2026:Z6I7UUJDCRYQAHEPBCW5WV2WHZ

not attested not anchored not stored refs pending

Wind-confined jet collimation revealed by the acceleration-phase photosphere of GRB 220426A

Asaf Pe'er, Felix Ryde

arxiv:2608.10841 v1 · 2026-08-11 · 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{Z6I7UUJDCRYQAHEPBCW5WV2WHZ}

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	2026-08-12T01:23:28.863907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf91fa51231471001c8f08addb57563e46371721fb513f6633d56df4e823a54c

Aliases

arxiv: 2608.10841 · arxiv_version: 2608.10841v1 · doi: 10.48550/arxiv.2608.10841 · pith_short_12: Z6I7UUJDCRYQ · pith_short_16: Z6I7UUJDCRYQAHEP · pith_short_8: Z6I7UUJD

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/Z6I7UUJDCRYQAHEPBCW5WV2WHZ \
  | 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: cf91fa51231471001c8f08addb57563e46371721fb513f6633d56df4e823a54c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e765ab720a04df0d5da8c53e0d5644d08dc01109e9ceade5f01897537004a14",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-08-11T12:10:27Z",
    "title_canon_sha256": "eb84552311f89d33078a7e1ffda065dff459d2161e444081867003006aab1354"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10841",
    "kind": "arxiv",
    "version": 1
  }
}