OpenTechnical

OT-2026-000039978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000039978) never changes.

Identity and time

Publication numberOT-2026-000039978 · never reused
Internal UUID01a0ae78-d8d7-798f-afdd-d45c74c7f016 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039978
StatusPUBLIC

Content hashes

Canonical text21ef913f77e4590fba92e835a7ef548d49b1d04e701a07d2de195b9fa2d1157c
Markdownddc16b3e53d6ed3564cca0d1a2876aba871ba8a530236beed8a3b94e16132a21
PDF
Publication page8c27a253fb1dd594ba9ae1b1392ae3112dfb50e0518928a781652d24b795e7eb
Manifesta9aa96eb8d37078b938db0ed27ae65779115e5b339626f368c4688a3da1343d4

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
SignatureK1dHMg5k3I16s94908+bEbUl61Ldvw7WbOKL3KxwSRP6ZeFQRQ2NhxFHApBAKpDUAESoc5yfCCqPa/2xxi4IBw==
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

2026-09-17T11:20:18.282715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039978
observed 8c27a253fb1dd594ba9ae1b1392ae311...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.263354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039978/manifest.json
observed a9aa96eb8d37078b938db0ed27ae6577...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.241914ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039978/publication.md
observed ddc16b3e53d6ed3564cca0d1a2876aba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:18.217178ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039978/publication.txt
observed 21ef913f77e4590fba92e835a7ef548d...
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.