OpenTechnical

OT-2026-000064400

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000064400) never changes.

Identity and time

Publication numberOT-2026-000064400 · never reused
Internal UUID01a0ae8d-a461-7ea9-8ea5-ca3d0d5de75d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064400
StatusPUBLIC

Content hashes

Canonical textec8bc3386ae2adfb54f995d8ce6879e896da366f19be5f350e0a17fc3e43757e
Markdown9ae6f5ccb43173090b752e9b866e371d3a4bab67f33f87f093d4837289d5557e
PDF
Publication page83b88a7a4bee5565e40ee1e6e63921da7e39d900a1d203e9085664397a7d3e76
Manifesta4a2fb562d668ea97895339a61e6b161830445a2d2fa190fbda0ac529c923e21

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
Signaturep12QCNunR4VXLsLRQPbbq4v0y/UUAcL1toACi1hKMldaGVi7tByGlsbr9rkoh3q/qU5joo3R9h8RUaHmGYAxDA==
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

2026-09-17T10:36:34.540523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064400
observed 83b88a7a4bee5565e40ee1e6e63921da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.522930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064400/manifest.json
observed a4a2fb562d668ea97895339a61e6b161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.506279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064400/publication.md
observed 9ae6f5ccb43173090b752e9b866e371d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:34.487731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064400/publication.txt
observed ec8bc3386ae2adfb54f995d8ce6879e8...
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.