OpenTechnical

OT-2026-000011615

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, pulsed 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-2026-000011615) never changes.

Identity and time

Publication numberOT-2026-000011615 · never reused
Internal UUID01a0ae6d-193f-7fcb-b7ca-3efda2e2ba67 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011615
StatusPUBLIC

Content hashes

Canonical textf064be50dbc1776b86260f802bbbd2154fd35fa3ab1be57df0ba084d85dc0eee
Markdownccef5924c117a088285949335ba508c7974102d10685de0de42f933788286394
PDF
Publication pageccb52e98e8788730674ac6b4d3942545f0ee71a024e254a91347827c0b39c762
Manifest4ca422b6347681bd491e35d3b27115e617a844048e58658658b1d77856935fcc

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
SignatureIuPbu9J3XXJPDhOCQChxwbe1ynHiQyD3OIkmeyErBjvFZtXjVG2LSP796RxUTGDcnmknueZPNWKp6bxQM4UXCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:11.680533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011615
observed ccb52e98e8788730674ac6b4d3942545...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.661288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011615/manifest.json
observed 4ca422b6347681bd491e35d3b27115e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.640120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011615/publication.md
observed ccef5924c117a088285949335ba508c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:11.621524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011615/publication.txt
observed f064be50dbc1776b86260f802bbbd215...
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.