Pith Number

pith:ODJPHZUN

pith:2026:ODJPHZUN2N4S3W7T6F65W3XK47

not attested not anchored not stored refs pending

Constraining the jet base emission of M87* with past and future Event Horizon Telescope observations

Bram Van de Berg, Britton Jeter, Heino Falcke, Hendrik M\"uller, Hung-Yi Pu, Michael Janssen, Noemi La Bella, Paul Tiede

arxiv:2606.05307 v1 · 2026-06-03 · 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{ODJPHZUN2N4S3W7T6F65W3XK47}

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	2026-06-05T00:13:53.096457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70d2f3e68dd3792ddbf3f17ddb6eeae7e2b11bcb69688046492afe74260be494

Aliases

arxiv: 2606.05307 · arxiv_version: 2606.05307v1 · doi: 10.48550/arxiv.2606.05307 · pith_short_12: ODJPHZUN2N4S · pith_short_16: ODJPHZUN2N4S3W7T · pith_short_8: ODJPHZUN

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/ODJPHZUN2N4S3W7T6F65W3XK47 \
  | 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: 70d2f3e68dd3792ddbf3f17ddb6eeae7e2b11bcb69688046492afe74260be494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8e3ca3129c63c207651e4b57d48f8377033c65529b52a8f3dd7b19a3a911d7a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-03T18:01:05Z",
    "title_canon_sha256": "5d8e431cc7e930f8bad35b14a0eb73c81fb417f37773955a98b16a7a10df3e42"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05307",
    "kind": "arxiv",
    "version": 1
  }
}