OpenTechnical

OT-2026-000069615

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, plant vacuum fed, 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-2026-000069615) never changes.

Identity and time

Publication numberOT-2026-000069615 · never reused
Internal UUID01a0ae90-b52c-7183-830f-29a2543e3e05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069615
StatusPUBLIC

Content hashes

Canonical textfe2a532e4bda6165738f4299824616f5a4e11e1ea511f98a592ab293e60b5131
Markdownc49ba8728aebdf730393afb6e51f099af38ff358118f204ca9d8367cec3f7f0f
PDF
Publication page7d96ceddc2fa83d276dadcc30dca4252ce0ff52c4a06290b578f399bff0fc2ad
Manifestfb55332d8d938565bb013c9890d13b2b55a13d06e93b29ae45a75f5137386ea4

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
SignaturewPmsmJCR0sCwVm13Zw+Nkq+57XYk9zXD811VOYKQlMjlPl0RDvUBWMaGofNpe6ywwBZcw3BRFyx6+4u64XdgCw==
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

2026-09-17T10:28:16.659464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069615
observed 7d96ceddc2fa83d276dadcc30dca4252...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.642360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069615/manifest.json
observed fb55332d8d938565bb013c9890d13b2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.625925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069615/publication.md
observed c49ba8728aebdf730393afb6e51f099a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:16.607379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069615/publication.txt
observed fe2a532e4bda6165738f4299824616f5...
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.