Pith Number

pith:GPBDCQKY

pith:2026:GPBDCQKYOFRNRWYPOYK2WDASN2

not attested not anchored not stored refs pending

Discovery of an extremely narrow trail-like feature crossing the Veil Supernova Remnant in deep amateur observations

Alexander Zaytsev, Christoph Ries, Claudia Toci, Claus Gossl, David Martinez-Delgado, Emilio J. Alfaro, Giuseppe Donatiello, Jan-Niklas Pippert, Malte Busmann, Mark Hanson, Michael Schmidt, Miguel A. Perez-Torres

arxiv:2606.27521 v1 · 2026-06-25 · 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{GPBDCQKYOFRNRWYPOYK2WDASN2}

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	2026-06-29T00:14:08.949714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33c23141587162d8db0f7615ab0c126e8b342cca203a467d452d31ab90df5329

Aliases

arxiv: 2606.27521 · arxiv_version: 2606.27521v1 · doi: 10.48550/arxiv.2606.27521 · pith_short_12: GPBDCQKYOFRN · pith_short_16: GPBDCQKYOFRNRWYP · pith_short_8: GPBDCQKY

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/GPBDCQKYOFRNRWYPOYK2WDASN2 \
  | 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: 33c23141587162d8db0f7615ab0c126e8b342cca203a467d452d31ab90df5329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "220b41c911b73e3660fddc313dc39fa6e3c5b17dfd26e907976c690091e1a07d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-25T20:07:21Z",
    "title_canon_sha256": "c2f0d87f5f09ae0da60a45965cbbd41c5e37812c6dde6fec204220bdaacb3414"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27521",
    "kind": "arxiv",
    "version": 1
  }
}