Pith Number

pith:ID2V6GYB

pith:2010:ID2V6GYBTYXBKRUHITDMWLLVCX

not attested not anchored not stored refs pending

Circumstellar Material Around Evolved Massive Stars

Nathan Smith

arxiv:1010.3720 v1 · 2010-10-18 · astro-ph.SR · 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{ID2V6GYBTYXBKRUHITDMWLLVCX}

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	2026-05-18T04:39:07.709994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40f55f1b019e2e15468744c6cb2d7515d88dfb76639318dee0c08aa862915e96

Aliases

arxiv: 1010.3720 · arxiv_version: 1010.3720v1 · doi: 10.48550/arxiv.1010.3720 · pith_short_12: ID2V6GYBTYXB · pith_short_16: ID2V6GYBTYXBKRUH · pith_short_8: ID2V6GYB

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/ID2V6GYBTYXBKRUHITDMWLLVCX \
  | 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: 40f55f1b019e2e15468744c6cb2d7515d88dfb76639318dee0c08aa862915e96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "672883fed61c71cbbe086e000b6eb0c08d17f79d7a37d2fa90072ac89d7bdcab",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-10-18T20:25:54Z",
    "title_canon_sha256": "9567c53805635356f1597e083e10025e0e4cd7d316eb64cd15b2b39e27ee0211"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.3720",
    "kind": "arxiv",
    "version": 1
  }
}