Pith Number

pith:HB7ZNOCR

pith:2026:HB7ZNOCRT2CRMFVPBPC5PFUSF2

not attested not anchored not stored refs pending

An ACA map of a molecular cloud interacting with supernova remnant W28

Ping Zhou, Qian-Qian Zhang, Siyi Feng, Tian-Yu Tu, Valentine Wakelam, Wenjin Yang, Yang Chen

arxiv:2606.27822 v1 · 2026-06-26 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HB7ZNOCRT2CRMFVPBPC5PFUSF2}

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	2026-06-29T01:14:49.463576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

387f96b8519e851616af0bc5d796922ebf0866ab9fbb94562dbbd4ce78ac59f0

Aliases

arxiv: 2606.27822 · arxiv_version: 2606.27822v1 · doi: 10.48550/arxiv.2606.27822 · pith_short_12: HB7ZNOCRT2CR · pith_short_16: HB7ZNOCRT2CRMFVP · pith_short_8: HB7ZNOCR

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/HB7ZNOCRT2CRMFVPBPC5PFUSF2 \
  | 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: 387f96b8519e851616af0bc5d796922ebf0866ab9fbb94562dbbd4ce78ac59f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61d9603fe36972a204de2db6339c645c54ba877c91b5a8935df2bfda0c4d4187",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-26T08:02:29Z",
    "title_canon_sha256": "7d36cf1c3c95f42c421ed0cd0a335eb560f629e73cc3d1122a23f18eb37b71e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27822",
    "kind": "arxiv",
    "version": 1
  }
}