Pith Number

pith:I6FEEESX

pith:2019:I6FEEESXRW3J7TL2VNS7JMHGFU

not attested not anchored not stored refs pending

Hydrodynamic escape of water vapor atmospheres near very active stars

Colin P. Johnstone

arxiv:1912.07027 v1 · 2019-12-15 · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6FEEESXRW3J7TL2VNS7JMHGFU}

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	2026-07-05T00:43:43.877891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

478a4212578db69fcd7aab65f4b0e62d0aa178216229e6bbd85a040eabbee2e8

Aliases

arxiv: 1912.07027 · arxiv_version: 1912.07027v1 · doi: 10.48550/arxiv.1912.07027 · pith_short_12: I6FEEESXRW3J · pith_short_16: I6FEEESXRW3J7TL2 · pith_short_8: I6FEEESX

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/I6FEEESXRW3J7TL2VNS7JMHGFU \
  | 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: 478a4212578db69fcd7aab65f4b0e62d0aa178216229e6bbd85a040eabbee2e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "169beb52acebfb7d7e628d9da971d76a8d19e66d854c6955b2d6f558b7f91147",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-12-15T11:49:05Z",
    "title_canon_sha256": "e2b899bdb88be73fd38da5193fdd5e15c1accaee993fd2db3ec49181120ade04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.07027",
    "kind": "arxiv",
    "version": 1
  }
}