OpenTechnical

OT-2026-000026819

Publication integrity record

Two bellows cup vacuum gripper, two zone face, plant vacuum fed, 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-2026-000026819) never changes.

Identity and time

Publication numberOT-2026-000026819 · never reused
Internal UUID01a0ae72-3451-78fc-a8d6-a04cfc12e759 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026819
StatusPUBLIC

Content hashes

Canonical textbf7d3a52412a63db98b8aa4fd46336649f5eb111d9ce06975c630e2c065e4df8
Markdownf3cf9bf2d2aeb557ecfd26839efc013a11350a6e2df009ec0c1f4d66bba34608
PDF
Publication pageea61c8630e2d3d1f912598665f8c022885090558d617e653d2c7855e4f7953c9
Manifest7aa5f43a95daf6d68a21d8aee30f39b921423e61370da0e2684faa983daa2fa9

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
Signaturezvx3kdOWGrr5w09b+l3jUzzCb8iPNBy0kzP+JPeAVw7/J0/wNjn7IWX4rQTneLyCXactZuyWiktOsZON89UCCg==
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

2026-09-17T11:43:24.059198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026819
observed ea61c8630e2d3d1f912598665f8c0228...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.042382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026819/manifest.json
observed 7aa5f43a95daf6d68a21d8aee30f39b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.025264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026819/publication.md
observed f3cf9bf2d2aeb557ecfd26839efc013a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:24.008045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026819/publication.txt
observed bf7d3a52412a63db98b8aa4fd4633664...
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.