OpenTechnical

OT-2026-000079163

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000079163) never changes.

Identity and time

Publication numberOT-2026-000079163 · never reused
Internal UUID01a0ae95-ccbf-7f7a-9988-7016b6f8f327 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079163
StatusPUBLIC

Content hashes

Canonical textc05d0252daa133356b5bf8e68a28972c55fabbdeb068ca3138b24d08df713cf9
Markdownf46908c4e7dae31855a58c19a5d4d246902710ae8138eb84f7a7404847b24fbb
PDF
Publication pagea5e6b361aed52a312328b586d926e3e5e0e91c0fb76afa15b9ecc09ea5e34265
Manifest326d73d59a85ba2faa39550fc1bae3a3d26febfd83a96686feeb2fb693a76021

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
SignatureHv6ubV4uuPIB3HF4HaFi+19y/WqC5t1aV+fVhu/kXyVFkmIAjcYUl9fxke0fE85IE3crIp5lC/35r2VW18ZcBg==
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

2026-09-17T10:06:00.875176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079163
observed a5e6b361aed52a312328b586d926e3e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.856019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079163/manifest.json
observed 326d73d59a85ba2faa39550fc1bae3a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.835084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079163/publication.md
observed f46908c4e7dae31855a58c19a5d4d246...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:00.814083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079163/publication.txt
observed c05d0252daa133356b5bf8e68a28972c...
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.