OpenTechnical

OT-2026-000016647

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, 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-2026-000016647) never changes.

Identity and time

Publication numberOT-2026-000016647 · never reused
Internal UUID01a0ae6e-5918-78c4-a6b2-3df154247206 · 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-2026-000016647
StatusPUBLIC

Content hashes

Canonical text093509d31222a16893d5d94d1576c20aa2c132a59d5ea5686ad310885091e7a0
Markdownae982b3f116d5f4320747caa0c98a39d1aa63b8d7cfbafd91760168461d178c4
PDF
Publication page4217222462b58cb7154b5b9ed0622cf3f74e98e0ee159b9442e5397a505e3e8d
Manifest5e62513b9a61c1feff1b9d40919ef7bc96f6ec6f6f32b3e00bd6ed9902e9f186

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
SignaturemaL43XBSNtqCcxbvnrxGyQpYK+9eM/XevnX7091ckS9qhfKa4XrXve8Equta+AvljzBpUPT/68pmC2W/AbkqDA==
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

2026-09-17T12:02:50.616785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016647
observed 4217222462b58cb7154b5b9ed0622cf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.595624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016647/manifest.json
observed 5e62513b9a61c1feff1b9d40919ef7bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.576989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016647/publication.md
observed ae982b3f116d5f4320747caa0c98a39d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:50.559993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016647/publication.txt
observed 093509d31222a16893d5d94d1576c20a...
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.