OpenTechnical

OT-2026-000026784

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, sustained 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-2026-000026784) never changes.

Identity and time

Publication numberOT-2026-000026784 · never reused
Internal UUID01a0ae72-3451-7dbe-9a07-98e9363d90b1 · 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-2026-000026784
StatusPUBLIC

Content hashes

Canonical text4ebf7d92df3272dd5be7bf0d5b79217a8253f8c81d9ee1fe98373243d93a8411
Markdownc11937b37e4db2ba5fea18be43e28240413824cc2cd65dd2b976febd8ecadc50
PDF
Publication page5f80a111848c932c29620b74b15c34cad03e72371112395a111bebe7ebd7b456
Manifest0940bfe385231119d01b3c1639680fd36cfb3a164aa2d21e85746326f2243218

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
SignatureP3BPJIiaNfUHxFuWzOKJ8bfLcm+2ufAfwV0sxSKjuVnI88UybPaRrr0qVOgMAeWXodA2DGYY7nuXSCS7lRQXBw==
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

2026-09-17T11:43:21.483914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026784
observed 5f80a111848c932c29620b74b15c34ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.466657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026784/manifest.json
observed 0940bfe385231119d01b3c1639680fd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.449871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026784/publication.md
observed c11937b37e4db2ba5fea18be43e28240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:21.432799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026784/publication.txt
observed 4ebf7d92df3272dd5be7bf0d5b79217a...
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.