OpenTechnical

OT-2026-000013185

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000013185) never changes.

Identity and time

Publication numberOT-2026-000013185 · never reused
Internal UUID01a0ae6d-6fc8-75c8-b28f-d268a2f7902a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:22.837188Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013185
StatusPUBLIC

Content hashes

Canonical textdfd6a41916f344c105c90bb3528791b288fa99126661cf26bd88e7edf5313119
Markdown853b5d502239498683a7f387cea8894a9709310d0babc140fefc4eeb0485afdd
PDF
Publication pagefc4e7a41ad71580dabfef01c36d7f7eae22b5dede21a4fdc4f23bb62d3c5c9f9
Manifestd364dc2fb0c3b5a4af96b101f96c5b075cf6172ce06bf366063498022b01a85c

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
Signature2d/TOGjBcXLrvoswhIFsv5DS3UOSwbQGACUyeksJmS1OMoXwV5J+pXn//6+2QApqd0AssukS7QKHizkT/d7eDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:09:33.907684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013185
observed fc4e7a41ad71580dabfef01c36d7f7ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.891352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013185/manifest.json
observed d364dc2fb0c3b5a4af96b101f96c5b07...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.873296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013185/publication.md
observed 853b5d502239498683a7f387cea8894a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:09:33.856639ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013185/publication.txt
observed dfd6a41916f344c105c90bb3528791b2...
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.