OpenTechnical

OT-2026-000015443

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two 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-2026-000015443) never changes.

Identity and time

Publication numberOT-2026-000015443 · never reused
Internal UUID01a0ae6d-ef4a-76bc-b723-17395b5d4c1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015443
StatusPUBLIC

Content hashes

Canonical text64f7091f1916b30fae63a45f486a7067aaf8ec290866bb3394db455d0bf2298c
Markdown02e70364af8f66c5984e5f39cc3deacfda5701ffe292745c955252aa2086430f
PDF
Publication page153e40970ad224574f7b8bce32d3df5db8aaeb58430b04e35a07b7156db196c5
Manifest1ce806ef04c38b308d4ba89b6028e6a2a1925bedcabce0669dfb5ad5b3703d6a

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
Signature6Et45qPbTbs5T8BfUvHFhwnFnE5n6spDlR3Pza27/ym+vrfgGhFLy5Z8H5sOei/nD8n/OfqzpRHTmmKSFLtjDg==
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

2026-09-17T12:06:11.154857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015443
observed 153e40970ad224574f7b8bce32d3df5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.134110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015443/manifest.json
observed 1ce806ef04c38b308d4ba89b6028e6a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.112728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015443/publication.md
observed 02e70364af8f66c5984e5f39cc3deacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.093410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015443/publication.txt
observed 64f7091f1916b30fae63a45f486a7067...
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.