OpenTechnical

OT-2026-000015427

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pulsed blow-off before set-down

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-2026-000015427) never changes.

Identity and time

Publication numberOT-2026-000015427 · never reused
Internal UUID01a0ae6d-ef49-76f9-922e-480f895cf925 · 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-2026-000015427
StatusPUBLIC

Content hashes

Canonical text6e45c45fb25e87d378238538bcb4fcc78dc1477bc0acd2501f3e2407f63c50d0
Markdown9feec933c4a54743e3c2ca4866686510d99853c4394f4ff3d9ca0eee912cd0f0
PDF
Publication pagebc542e59195ae2fa57d20364ec4b84ac4ee9e0ef9f42499ff6a28c2102e680f7
Manifestf1799ccf902184e93c7c139e48e4ea3ec6255c0fba13dab8716884507dde52c3

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
Signature8Lf9q94wuDQEjkvPJzxS8SqQvetKlRmyMZWb1+lCwvGi2TbnIxYJCFj8LB1ee9N1Azs4Ic9o46AOE4PZ2cO8AQ==
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

2026-09-17T12:06:09.784983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015427
observed bc542e59195ae2fa57d20364ec4b84ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.763888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015427/manifest.json
observed f1799ccf902184e93c7c139e48e4ea3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.744678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015427/publication.md
observed 9feec933c4a54743e3c2ca4866686510...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:09.726631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015427/publication.txt
observed 6e45c45fb25e87d378238538bcb4fcc7...
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.