OpenTechnical

OT-2026-000008873

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000008873) never changes.

Identity and time

Publication numberOT-2026-000008873 · never reused
Internal UUID01a0ae6b-31b7-70de-9747-01e5a12f3ddf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008873
StatusPUBLIC

Content hashes

Canonical text4e942431e946fb08a623cd64b9850e952d519965e8d4fbd48f2ff2196110b619
Markdown3c428ffd2b1ffb2f88f53005afeaf479586b761a9f342c409ff3432bd84e39c8
PDF
Publication page0025d7dd9cdd1d1beca00d05f75572c3e5f3fe6de0a6f3ccd8dd0edfb1783e10
Manifest76693faa5a112d036e5b66a47cb554ba17104e3541347c9ce7390d2d335475c5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signature1Dz0++XHSIXZMmVD574ZiLtEyJzbCn+WXnByASiElevVayewVZvf7tecoUS6Hhcc/jG8HW+WPSwFx8A/tF2yCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:27.987268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008873
observed 0025d7dd9cdd1d1beca00d05f75572c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.965179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008873/manifest.json
observed 76693faa5a112d036e5b66a47cb554ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.945122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008873/publication.md
observed 3c428ffd2b1ffb2f88f53005afeaf479...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:27.926967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008873/publication.txt
observed 4e942431e946fb08a623cd64b9850e95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.