OpenTechnical

OT-2026-000087548

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, 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-2026-000087548) never changes.

Identity and time

Publication numberOT-2026-000087548 · never reused
Internal UUID01a0ae9a-cd52-7abe-b95a-42815005395f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087548
StatusPUBLIC

Content hashes

Canonical text6d0a702dba8f91800042d8e11946a143a3e96bacd9b22bfe96d7ad7352a15ff6
Markdown367c786eeea772ba9552bb495f814a3cd1eb42b7d972729e24aedc868d7209a6
PDF
Publication pagee31bb029f80d3fcb11efe471cf90dd6e471d463f9c7527422eb3e6c5c84fe711
Manifeste98201d83d8f7872188594270ef66db0c09bca65c7bd7cc8e92de0dbecae70bf

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
SignatureHaXL5xTWzucizbT8Z7aWXvn5DVjs3ol/5Hcc+JBqc0OoLH4AGsIgh3gT5pdl56k8NMEwODuFQzqbn74S9qq6AA==
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

2026-09-17T09:50:53.395913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087548
observed e31bb029f80d3fcb11efe471cf90dd6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.379287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087548/manifest.json
observed e98201d83d8f7872188594270ef66db0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.361743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087548/publication.md
observed 367c786eeea772ba9552bb495f814a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:53.345524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087548/publication.txt
observed 6d0a702dba8f91800042d8e11946a143...
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.