OpenTechnical

OT-2026-000014289

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two 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-2026-000014289) never changes.

Identity and time

Publication numberOT-2026-000014289 · never reused
Internal UUID01a0ae6d-b279-76a0-8f26-cc461c012fb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014289
StatusPUBLIC

Content hashes

Canonical text14064b0e9dd668b6611674127e7eded5999f79c8d1eff32aa56a7b896a529cb4
Markdown80948170d7f6c2dfcef8b0ba475b224e70ebb56d008e975f26398c871976283e
PDF
Publication page991a7cf9712dda24cdc44a7749dacb417eb067a5bdd88112d111a4c9f297424f
Manifest9db0d23a29d930498db6742b69342f4e942132192f06b9436e30c7b16f6b24a4

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
Signature1P/IGGxLD9K456Lc7OTRHwYeK0upDo1DoCCLCT/RAx+uxZdo5DMf6dBmdU5Fh5Yn3kXzWcZoehxrIa/Ooc6YBQ==
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

2026-09-17T12:07:30.450992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014289
observed 991a7cf9712dda24cdc44a7749dacb41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.429820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014289/manifest.json
observed 9db0d23a29d930498db6742b69342f4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.410320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014289/publication.md
observed 80948170d7f6c2dfcef8b0ba475b224e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:30.392547ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014289/publication.txt
observed 14064b0e9dd668b6611674127e7eded5...
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.