OpenTechnical

OT-2026-000027060

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, sustained 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-2026-000027060) never changes.

Identity and time

Publication numberOT-2026-000027060 · never reused
Internal UUID01a0ae72-3453-7e92-9734-4fa95e07a0d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027060
StatusPUBLIC

Content hashes

Canonical text192efc9ec2bb7cd2e820fe14cfc5058445d7d695a3d144a4b95ef14af934ef56
Markdownfabbf5355279ffa2087baa320a58392a194dadc21444d62379d37f2714dbf9f7
PDF
Publication page14eaeeea5c0bf1e7ed8b57b58d79d4094b34486ff7e7db8ef68868445c2b4964
Manifest5377d8ceecfbc50d5c829dc0bb597cd14bc9e362d2a944f42f4531a7daa35c7f

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
SignatureJnR+mHS6vkAl4hilUd+d2q7+xvnb6XRGOG66+jPGZxr+3nEK+W5F/iHOhqeaWs8ahFpD93CgIP+ZpMCzJ6IJBA==
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

2026-09-17T11:43:49.242479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027060
observed 14eaeeea5c0bf1e7ed8b57b58d79d409...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.226780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027060/manifest.json
observed 5377d8ceecfbc50d5c829dc0bb597cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.209526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027060/publication.md
observed fabbf5355279ffa2087baa320a58392a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:49.192344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027060/publication.txt
observed 192efc9ec2bb7cd2e820fe14cfc50584...
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.