OpenTechnical

OT-2026-000100613

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100613) never changes.

Identity and time

Publication numberOT-2026-000100613 · never reused
Internal UUID01a0aea3-66f2-733c-b799-cfcb8353ac63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100613
StatusPUBLIC

Content hashes

Canonical texta81ec7f748e0376bbf0f5f742fb1b147c4292d3904a55c11d13ae9833b75094b
Markdowndaffa9d82cace3b7beef14d70b244ac980c8c57db233b8fcd75cd2d6c147713e
PDF
Publication pageb8e58ad731b3781269a8999fa2be1420e63c16ecb12f19ebf29bcf7835cae564
Manifest98d9d1cb83529d3b67876240bb067cfa09ac8813a815318f2bf460e5243c140d

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
SignaturelUz2+Agbbiqrp1U9yiDQQJphLstWLFzQiPltsYfjYx4m+BlRkYM87cCyBihmQ0C75gCQz3Rx6PNBPqZHDEdYCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:24.496707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100613
observed b8e58ad731b3781269a8999fa2be1420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.480509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100613/manifest.json
observed 98d9d1cb83529d3b67876240bb067cfa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.463032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100613/publication.md
observed daffa9d82cace3b7beef14d70b244ac9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:24.445954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100613/publication.txt
observed a81ec7f748e0376bbf0f5f742fb1b147...
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.