Pith Number

pith:VTAM5U4Q

pith:2019:VTAM5U4QDXX5PTFSNRVKCCBRNM

not attested not anchored not stored refs pending

The dark side of penumbral microjets: Observations in H\alpha

D. Buehler, G. B. Scharmer, J. de la Cruz Rodriguez, S. Esteban Pozuelo

arxiv:1905.01245 v1 · 2019-05-03 · 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{VTAM5U4QDXX5PTFSNRVKCCBRNM}

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	2026-05-17T23:47:06.413645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acc0ced3901defd7ccb26c6aa108316b137aa99e3311d7d6bfc9348d35bfcd30

Aliases

arxiv: 1905.01245 · arxiv_version: 1905.01245v1 · doi: 10.48550/arxiv.1905.01245 · pith_short_12: VTAM5U4QDXX5 · pith_short_16: VTAM5U4QDXX5PTFS · pith_short_8: VTAM5U4Q

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/VTAM5U4QDXX5PTFSNRVKCCBRNM \
  | 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: acc0ced3901defd7ccb26c6aa108316b137aa99e3311d7d6bfc9348d35bfcd30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fef2e51160982cc4a049fc80bf6176f3cba993808d1145b933a7e749e7f15a14",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2019-05-03T16:08:34Z",
    "title_canon_sha256": "9d60ac822abf61ff02cc53a2ac7dc20267fb063eeecc3389f3d4ace1bc1816c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01245",
    "kind": "arxiv",
    "version": 1
  }
}