OpenTechnical

OT-2026-000068237

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000068237) never changes.

Identity and time

Publication numberOT-2026-000068237 · never reused
Internal UUID01a0ae90-247f-7e67-a8ab-098bce65f030 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068237
StatusPUBLIC

Content hashes

Canonical text569be3e0663af9ca92ae87eebdc6332feb871248d3ef4dd531e1b0b48d6eb058
Markdowne260b5a5b7d87735a74946d845f7996f07ddd6274ad0c05560f459e08a26d0f2
PDF
Publication page89bd8647ab7463459fec70d08c9bd964f2ef198b783dc55560b7635384009364
Manifest67c9e27fa4e809ba3fe17641bf7d7d7db68b37cb22c0fe337abfc1e74934d597

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
SignatureJQ6Yqe1WR1Q4WlTXzqz5vZeXiLoNJVenKn6iYKXAA5epmzj+dtiZK3lk/oZz20K8vq8Qe/q/nx2YgymABL9YDA==
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

2026-09-17T10:29:15.292369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068237
observed 89bd8647ab7463459fec70d08c9bd964...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.273431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068237/manifest.json
observed 67c9e27fa4e809ba3fe17641bf7d7d7d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.257947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068237/publication.md
observed e260b5a5b7d87735a74946d845f7996f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:15.240034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068237/publication.txt
observed 569be3e0663af9ca92ae87eebdc6332f...
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.