OpenTechnical

OT-2026-000087584

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000087584) never changes.

Identity and time

Publication numberOT-2026-000087584 · never reused
Internal UUID01a0ae9a-cd52-7e76-9dd7-d0c2d8a49f83 · 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-2026-000087584
StatusPUBLIC

Content hashes

Canonical textc9c3c0e10e1ebba4ce2998ac2875add7e07f8d011abcfe08a4e9ee4aa41b5afa
Markdown426f6d9eef9edbe7c0e77684d48b33dd1b005a492864ff26bd3dd6a237d31b05
PDF
Publication pageefde84fd7b90810e946e0e2a9ba0160d31a9c2405f824a4fd31dd12e24689e67
Manifest02908c120412156a0ac6f820663b08233fb8a42fad351b51d3652f330427a3ec

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
SignaturehbF1ipR1RlI6VvtMQ8ChuBeHoSKCQTTM92NZAVVtQ57Xoq8EQOTgcyvcdyMV84FWYgVrimNd3lZqxnD5rQbNBA==
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

2026-09-17T09:50:55.911011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087584
observed efde84fd7b90810e946e0e2a9ba0160d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.894521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087584/manifest.json
observed 02908c120412156a0ac6f820663b0823...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.878628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087584/publication.md
observed 426f6d9eef9edbe7c0e77684d48b33dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:55.862976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087584/publication.txt
observed c9c3c0e10e1ebba4ce2998ac2875add7...
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.