OpenTechnical

OT-2026-000089073

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, supply line pressure sensor, 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-2026-000089073) never changes.

Identity and time

Publication numberOT-2026-000089073 · never reused
Internal UUID01a0ae9b-daff-7b8a-a366-1807126a1e5a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089073
StatusPUBLIC

Content hashes

Canonical text3c9e798592211d352ec2904e7598cf9814d07f17bf8de17227c6e6fa25a440ad
Markdownef3ca4859bbc29c2f3ac4a600bc87b8d7d27a8f95d25702b7107b1bcebdda641
PDF
Publication page9bed51b351009709ea5f5bfaae5d3cb8eb3e790cd86ae0361301b08214952ff6
Manifest5e9b2362ab36bc10688544531db3989da5811da3df7d9c4ad2861985a8523079

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
SignaturelYOQcbiLSOAMus/xrReHJI9cfehtL9YKMwDfZwpUwpgbQEE3n48Gw/eV8I/BMTA+UO3GhsMsWKnASOYmt8V0CQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:46:58.510070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089073
observed 9bed51b351009709ea5f5bfaae5d3cb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.492351ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089073/manifest.json
observed 5e9b2362ab36bc10688544531db3989d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.474543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089073/publication.md
observed ef3ca4859bbc29c2f3ac4a600bc87b8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:58.457038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089073/publication.txt
observed 3c9e798592211d352ec2904e7598cf98...
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.