OpenTechnical

OT-2026-000016457

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000016457) never changes.

Identity and time

Publication numberOT-2026-000016457 · never reused
Internal UUID01a0ae6e-2d13-79c7-8b0a-71a1f90849e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016457
StatusPUBLIC

Content hashes

Canonical text3990f857ea028654f4f5b9b9e7fa3a017fb7a6d0c97dc37fbc1441ef05f6b39b
Markdown2988a2a8c0e3f6399db98cb038cb00cf9fb975cad54f12ecca8bebb16f28fe19
PDF
Publication pageed72da69b1e5fa45bf69c9d47c36ecd647412d3031fbad3d846c9040f254839c
Manifest45fd9873243d1f07d0e99ac58eedeb063c0d3b5343be13030e73db42de3d4d2f

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
SignatureYxrI1x7hI8l66e8/PhticyKG7odxNGP3VM0OILWhD3tOWxtm5vsqWFZEdZ7y5wBBn1V81gUIzGk45giCKT8oAQ==
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

2026-09-17T12:04:39.171890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016457
observed ed72da69b1e5fa45bf69c9d47c36ecd6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.154152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016457/manifest.json
observed 45fd9873243d1f07d0e99ac58eedeb06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.135026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016457/publication.md
observed 2988a2a8c0e3f6399db98cb038cb00cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:39.109642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016457/publication.txt
observed 3990f857ea028654f4f5b9b9e7fa3a01...
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.