OpenTechnical

OT-2026-000079672

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000079672) never changes.

Identity and time

Publication numberOT-2026-000079672 · never reused
Internal UUID01a0ae96-4375-773e-a3c1-f8f205d28d1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079672
StatusPUBLIC

Content hashes

Canonical text9618dcedb53a50f7c69546c421ecfaa7f37659795cdab73231327ff71fdc1db1
Markdown8d3aa4e88620ac1f21fadb7be2b7469f13bb5e2f71e8e6ace81fa08829c0ee2a
PDF
Publication page2e53641db9c3ba48ef3a4519f826dbdeec6c524e09fe40599335c45ceff640ec
Manifeste9f5c97d823156ee20b934d203d400cce5b2908d17f5228c456535d76c2e5cb5

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
SignaturexRMK/g6Br6NOfpB7Pjx5VySHB6ooKtjTUG9g06627nDOcOb2EYuOScXBtleSoterczEJ5WAjSnCNYWNVy5l5AQ==
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

2026-09-17T10:03:26.787272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079672
observed 2e53641db9c3ba48ef3a4519f826dbde...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.769930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079672/manifest.json
observed e9f5c97d823156ee20b934d203d400cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.752293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079672/publication.md
observed 8d3aa4e88620ac1f21fadb7be2b7469f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:26.734652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079672/publication.txt
observed 9618dcedb53a50f7c69546c421ecfaa7...
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.