OpenTechnical

OT-2026-000086209

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000086209) never changes.

Identity and time

Publication numberOT-2026-000086209 · never reused
Internal UUID01a0ae99-e82c-79d9-8f13-980ed64cc6f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086209
StatusPUBLIC

Content hashes

Canonical text67ed7f2a9a12676bcc5c36d4e38380b3180e22ae79048f19a7c3b41badee8f04
Markdown952705f02945dbe320ca93f5691dd354c800c362d12fdf09f48ec7711c77d940
PDF
Publication pagea304385ec1d48ca9ded09d19c993f42f9cdaa93697c536e34168aef6cfc09b82
Manifestb57df421cd0520fc15e8ab5dc7b21fb6c602871853dc652446805f5370ae6fe8

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
SignatureSjBmgN2R33y63RPJvSDFCXTVHy33t038jql0/Cb9LCnJNWL1Nn86nauQzNYWYm67Rt6f14HneBVJnf80W8vRCA==
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

2026-09-17T09:53:53.470209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086209
observed a304385ec1d48ca9ded09d19c993f42f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.452893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086209/manifest.json
observed b57df421cd0520fc15e8ab5dc7b21fb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.436687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086209/publication.md
observed 952705f02945dbe320ca93f5691dd354...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:53:53.419961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086209/publication.txt
observed 67ed7f2a9a12676bcc5c36d4e38380b3...
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.