OpenTechnical

OT-2026-000075057

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000075057) never changes.

Identity and time

Publication numberOT-2026-000075057 · never reused
Internal UUID01a0ae93-ac2e-71f7-98cb-8727c9e3d12b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075057
StatusPUBLIC

Content hashes

Canonical text2efa73b01f56da45dde19c04799bb2429d50eaa5d43b2d623239e78ecf1f107d
Markdown67ca6bcb75ba8d91cfd2ac459ddfa03fa8288414b6f751ac9f600a281109f6d1
PDF
Publication page378537d9e495a23c3bc54687812c09269d1ce58028ef8300f615e0ea07074981
Manifest0035bf8fa85f7cd8965c57f4814fb629bb6fef3310cc46d68778fd6e67242040

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
SignatureWIYs1uoopS/RoO7cwtBAY635n9608hZ3pZ8AfytqxGtGndiEdzkhSr/kk8FjoIR+8HZczgp3P1EuHb5NxtIJDw==
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

2026-09-17T10:18:52.558839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075057
observed 378537d9e495a23c3bc54687812c0926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.541768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075057/manifest.json
observed 0035bf8fa85f7cd8965c57f4814fb629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.523432ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075057/publication.md
observed 67ca6bcb75ba8d91cfd2ac459ddfa03f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:52.505035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075057/publication.txt
observed 2efa73b01f56da45dde19c04799bb242...
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.