Pith Number

pith:J6SY4FEZ

pith:2026:J6SY4FEZS4XZTKSIJGWDS45BYG

not attested not anchored not stored refs pending

Discovery of Optical Filaments in the North Polar Spur/eROSITA Bubble

Julian Shapiro

arxiv:2607.19529 v1 · 2026-07-21 · astro-ph.GA · 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{J6SY4FEZS4XZTKSIJGWDS45BYG}

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	2026-07-23T00:23:55.265726Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fa58e1499972f99aa4849ac3973a1c1b540d92be03c5048e13021e5c59aa6ed

Aliases

arxiv: 2607.19529 · arxiv_version: 2607.19529v1 · doi: 10.48550/arxiv.2607.19529 · pith_short_12: J6SY4FEZS4XZ · pith_short_16: J6SY4FEZS4XZTKSI · pith_short_8: J6SY4FEZ

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/J6SY4FEZS4XZTKSIJGWDS45BYG \
  | 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: 4fa58e1499972f99aa4849ac3973a1c1b540d92be03c5048e13021e5c59aa6ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed8f229f41d0b71b2331a01b2e4ac63dc82f1dc4f74aaad355f2ddf4c9e483ad",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-21T19:19:13Z",
    "title_canon_sha256": "1f9cec49c9fc07da9ef52f0e82d605f12abcdcd22ac9c62f03d6a1b1d2b61cfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19529",
    "kind": "arxiv",
    "version": 1
  }
}