OpenTechnical

OT-2026-000017029

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000017029) never changes.

Identity and time

Publication numberOT-2026-000017029 · never reused
Internal UUID01a0ae6e-591b-73ef-922d-ee6c2498f4f9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017029
StatusPUBLIC

Content hashes

Canonical text223cfe91b60087fca4e78f5e9754cec9f24e4c228f16f6ca752d40d3ae63372d
Markdownab2e7b85d1551395218afabc5bcf6c4f37b6302a7647f8f5fe5d207a706c6b98
PDF
Publication pagee6f0aaf52603bec3e767b1ed1e369970c526935bcc75605491a5f4e217eca3e5
Manifest4940f91034e55b3e36c59c221fd70efd2bfb9ce230338666dccc66862facb24a

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
SignatureJ/RG5bwMdT74+UDObUt+CcEDqU58lOiP684gCIbOJXVd+D0f3ePhTJijIHQ+hUWSqcxNYvWpLkaRXFqdMBbNAw==
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

2026-09-17T12:03:26.369117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017029
observed e6f0aaf52603bec3e767b1ed1e369970...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.353015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017029/manifest.json
observed 4940f91034e55b3e36c59c221fd70efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.337074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017029/publication.md
observed ab2e7b85d1551395218afabc5bcf6c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:26.314506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017029/publication.txt
observed 223cfe91b60087fca4e78f5e9754cec9...
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.