OpenTechnical

OT-2026-000079049

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

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-2026-000079049) never changes.

Identity and time

Publication numberOT-2026-000079049 · never reused
Internal UUID01a0ae95-ccbf-7101-98ff-f9e30772b6f2 · 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-2026-000079049
StatusPUBLIC

Content hashes

Canonical textc0784b3304b320e993430366504e954b67698755259b800a462151ef86fa4eca
Markdownd39dff562e471d8a9fd24076764778d4d74bf31c4b1cf3a83c2c9fb49b2d4419
PDF
Publication page16b09076eb683420784d37ea5fdb15cf7687187307351068b81665308b253aa1
Manifestd1d26cb70597d1357fbe5105c053212592777b407e4a056f540523fac8e6bffa

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
Signature201XUzLMwZi2NxZk1WBZK0XBmacuuCf68wTJbpFPECutNs9jO4P761UguoosV0270hAoW8+OPWJDJzqtu0Q4Aw==
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

2026-09-17T10:05:53.460803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079049
observed 16b09076eb683420784d37ea5fdb15cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.440501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079049/manifest.json
observed d1d26cb70597d1357fbe5105c0532125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.420377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079049/publication.md
observed d39dff562e471d8a9fd24076764778d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:53.401422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079049/publication.txt
observed c0784b3304b320e993430366504e954b...
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.