Pith Number

pith:GC4AWDSL

pith:2020:GC4AWDSLKRM7E7I5PHCC4NIJKK

not attested not anchored not stored refs pending

Optical spectroscopy and X-ray observations of the D-type symbiotic star EF Aql

G. J. M. Luna, G. Latev, J. Mart\'i, J. Miko{\l}ajewska, K. A. Stoyanov, K. I{\l}kiewicz, K. Mukai, R. K. Zamanov, S. Boeva

arxiv:2005.03379 v1 · 2020-05-07 · 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{GC4AWDSLKRM7E7I5PHCC4NIJKK}

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	2026-07-05T01:04:24.683866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30b80b0e4b5459f27d1d79c42e350952ab014266ae227359fc76990886fdabbe

Aliases

arxiv: 2005.03379 · arxiv_version: 2005.03379v1 · doi: 10.48550/arxiv.2005.03379 · pith_short_12: GC4AWDSLKRM7 · pith_short_16: GC4AWDSLKRM7E7I5 · pith_short_8: GC4AWDSL

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/GC4AWDSLKRM7E7I5PHCC4NIJKK \
  | 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: 30b80b0e4b5459f27d1d79c42e350952ab014266ae227359fc76990886fdabbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f88a8851fe825393a9533c8a1b4ee4c5b5fe6d7cbfe32de4e5985c03cf4f71f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-05-07T11:10:35Z",
    "title_canon_sha256": "2bde104cbd0079dd9a89e162677e1c32fe6ed8c8693b7882366b9db2600c99a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.03379",
    "kind": "arxiv",
    "version": 1
  }
}