OpenTechnical

OT-2026-000009115

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, 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-2026-000009115) never changes.

Identity and time

Publication numberOT-2026-000009115 · never reused
Internal UUID01a0ae6b-31b8-74c4-9a53-eeb41348101b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009115
StatusPUBLIC

Content hashes

Canonical text64b05137ff2da13fc7892f1dc66afa314c5d722489e1248cc636480afa5b8d6f
Markdownbe7363644a7067466866a7b0065206c2825d3c76db98b555d45187d0e6fc87be
PDF
Publication pageaacdc693e1494ea38f2e49ef4e94a5f0e8a92a5c32f0788ac32bd158f179d292
Manifest9123d051556af8989c935d3f006cbd5f95c631b2c7d3a99b16f18c14d83c276d

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
SignatureHkXD+AAqhA6wGikh8CKzcsbEvNvpx4wdEQ9tIdLEEYuSWEF+iwoJvIaMLGSZ4iKxxmhKHJ+Zg+8CFQt4RkXsAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:48.025925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009115
observed aacdc693e1494ea38f2e49ef4e94a5f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:48.007064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009115/manifest.json
observed 9123d051556af8989c935d3f006cbd5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.986800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009115/publication.md
observed be7363644a7067466866a7b0065206c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:47.967463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009115/publication.txt
observed 64b05137ff2da13fc7892f1dc66afa31...
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.