Pith Number

pith:OBIIFARR

pith:2023:OBIIFARRZ7RAONSVGT5MYKJ7RC

not attested not anchored not stored refs pending

Where are the missing symbiotic stars? Uncovering hidden Symbiotic Stars in public catalogues

Stavros Akras

arxiv:2301.08201 v1 · 2023-01-19 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBIIFARRZ7RAONSVGT5MYKJ7RC}

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	2026-07-05T05:34:23.534948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7050828231cfe207365534facc293f8891356b3d46bd86813b3e1449bc9b5c69

Aliases

arxiv: 2301.08201 · arxiv_version: 2301.08201v1 · doi: 10.48550/arxiv.2301.08201 · pith_short_12: OBIIFARRZ7RA · pith_short_16: OBIIFARRZ7RAONSV · pith_short_8: OBIIFARR

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/OBIIFARRZ7RAONSVGT5MYKJ7RC \
  | 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: 7050828231cfe207365534facc293f8891356b3d46bd86813b3e1449bc9b5c69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3889c2522cf4b2ae1ed70eecd0e9bee4b0a41b29988eebb9e0379e20c5e2bf24",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2023-01-19T17:53:06Z",
    "title_canon_sha256": "3cb5c1e4ef4ccf35579513b4a14ff1ee959e383e18a1e2a37244255f05689992"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.08201",
    "kind": "arxiv",
    "version": 1
  }
}