Pith Number

pith:7TV2L77N

pith:2015:7TV2L77NMSE3PWROAMRHAK7NKN

not attested not anchored not stored refs pending

Spectropolarimetric monitoring of active galaxy 3C390.3 with 6m telescope SAO RAS in the period 2009-2014

A.I. Shapovalova, L. C. Popovic, N.V. Borisov, V. L. Afanasiev

arxiv:1501.07519 v1 · 2015-01-29 · astro-ph.GA · 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{7TV2L77NMSE3PWROAMRHAK7NKN}

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	2026-05-18T01:41:05.879005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fceba5ffed6489b7da2e0322702bed53624c5efe8680551d5b6c639dc476370d

Aliases

arxiv: 1501.07519 · arxiv_version: 1501.07519v1 · doi: 10.48550/arxiv.1501.07519 · pith_short_12: 7TV2L77NMSE3 · pith_short_16: 7TV2L77NMSE3PWRO · pith_short_8: 7TV2L77N

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/7TV2L77NMSE3PWROAMRHAK7NKN \
  | 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: fceba5ffed6489b7da2e0322702bed53624c5efe8680551d5b6c639dc476370d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd46a2e492948f5f59c5fdaae45b501c7b85d904c14addb54011416f26f8f51e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-29T17:22:14Z",
    "title_canon_sha256": "cc415ec0f041d2c415d1456a464bdc28347fb7f768213390abb601d85ff0d6c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.07519",
    "kind": "arxiv",
    "version": 1
  }
}