OpenTechnical

OT-2026-000101646

Publication integrity record

Three cup vacuum gripper, three zone face, two stage ejector, pulsed 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-2026-000101646) never changes.

Identity and time

Publication numberOT-2026-000101646 · never reused
Internal UUID01a0aea4-0e16-7029-90d1-54906099f08b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:02.278025Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101646
StatusPUBLIC

Content hashes

Canonical text458ddf2fcdeb6ec67baf2ecdff648f71e9f35515b1662e7ac91f029bb6e5f30a
Markdown3a698fde60ad97c4b4384fb3718d911344fb29f0fe26d22e4c0b6d2fb1e3a859
PDF
Publication pageea9ba27b364e8c1b48538199ad186de5d2ab6cbb3c5b17693659000455bb2b75
Manifest3d9786f68540770be5df759b3d3da86b0046a566ddba91783a01b9130abacd8e

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
SignaturetDxE+jSgE0sJs9bmd90KTWy70gKjNZghYsNKcmc4hvlhNsetvMg9P8UESEQsNk7DyvDvDQ0WvW/lGJlFKv79DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:46.762044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101646
observed ea9ba27b364e8c1b48538199ad186de5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.743437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101646/manifest.json
observed 3d9786f68540770be5df759b3d3da86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.709805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101646/publication.md
observed 3a698fde60ad97c4b4384fb3718d9113...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:46.689796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101646/publication.txt
observed 458ddf2fcdeb6ec67baf2ecdff648f71...
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.