Pith Number

pith:2GE4AEIO

pith:2011:2GE4AEIO52GM4KKGN7S7RRFQ7U

not attested not anchored not stored refs pending

MIDI interferometry of massive YSOs: Updates on the MPIA programme

Bringfried Stecklum, Christoph Leinert, Hendrik Linz, Paul A. Boley, Roman Follert, Roy van Boekel, Thomas Henning

arxiv:1111.0821 v1 · 2011-11-03 · astro-ph.SR · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GE4AEIO52GM4KKGN7S7RRFQ7U}

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	2026-05-18T04:09:36.880330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d189c0110eee8cce29466fe5f8c4b0fd0dca31bea1676f00a380e7a17d8ed200

Aliases

arxiv: 1111.0821 · arxiv_version: 1111.0821v1 · doi: 10.48550/arxiv.1111.0821 · pith_short_12: 2GE4AEIO52GM · pith_short_16: 2GE4AEIO52GM4KKG · pith_short_8: 2GE4AEIO

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/2GE4AEIO52GM4KKGN7S7RRFQ7U \
  | 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: d189c0110eee8cce29466fe5f8c4b0fd0dca31bea1676f00a380e7a17d8ed200

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d3e67d2ae8ac657ec4f9ce002c456b2e299533e9221ea567100141ba8c2b2cd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-11-03T12:49:39Z",
    "title_canon_sha256": "72be3b1903e47919c07a0072c109e627ece4c777b34c7cc392a88935109c2d55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0821",
    "kind": "arxiv",
    "version": 1
  }
}