OpenTechnical

OT-2026-000081827

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000081827) never changes.

Identity and time

Publication numberOT-2026-000081827 · never reused
Internal UUID01a0ae97-0f75-7c48-8dad-9f5a157b8214 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081827
StatusPUBLIC

Content hashes

Canonical text78346b27801aec0dd80646a3934f0af764593f916b81c2298946f4f88d8547b1
Markdowne76de3c3d439942c728c6a9dbdfaad572b2d5a80c20c6a40bd404d1083b1153c
PDF
Publication page869495a009f9c1f0e702f59115371e4117b0895b430a77096845f619f7358867
Manifest812a80cb90e262f2361f30d1914bd7df71ed0cfb8f497474cc6a2d71c213f50e

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
Signatures/QTU1zpc9xmzPTW9evo3XltrOxbP9GGMAQd9+Pn7oBEKZo+CbtagCWRA3zVct0UHfCXj6MB1TWKKCveU2CBBg==
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

2026-09-17T09:59:56.121019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081827
observed 869495a009f9c1f0e702f59115371e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.102910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081827/manifest.json
observed 812a80cb90e262f2361f30d1914bd7df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.085708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081827/publication.md
observed e76de3c3d439942c728c6a9dbdfaad57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:56.067830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081827/publication.txt
observed 78346b27801aec0dd80646a3934f0af7...
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.