OpenTechnical

OT-2026-000027859

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, single stage ejector, 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-2026-000027859) never changes.

Identity and time

Publication numberOT-2026-000027859 · never reused
Internal UUID01a0ae72-a4a5-788d-8608-e7cd881d20e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:04.113553Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027859
StatusPUBLIC

Content hashes

Canonical text08ab49c935df5b6cb24c2b22b321a2edcb4f98a18233eef6cbf1b963c74fc0b9
Markdown86cd9f7dfbcf33c3d8dd4d4df40f51502a0fd6e7b8138437ad3f9e549c1d1f23
PDF
Publication page362aad0af8ba525329816b6088819b0a6820163455111500927279bb7fbd1e5d
Manifest7bd63ead5aa8fc8eeb7c7bfbd3eb30e79126aad43027894b6b18f53d3082f252

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
SignaturemH1KbNFlY1ivccVrodjdTbXaMa88UzISeEMkui9moZ5VpSjr8lDuGMgZ4C1m7bDrMAQbGWSE9vnq+VPhNKhmDQ==
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

2026-09-17T11:42:00.278284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027859
observed 362aad0af8ba525329816b6088819b0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.258684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027859/manifest.json
observed 7bd63ead5aa8fc8eeb7c7bfbd3eb30e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.241480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027859/publication.md
observed 86cd9f7dfbcf33c3d8dd4d4df40f5150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:00.222132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027859/publication.txt
observed 08ab49c935df5b6cb24c2b22b321a2ed...
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.