OpenTechnical

OT-2026-000068316

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000068316) never changes.

Identity and time

Publication numberOT-2026-000068316 · never reused
Internal UUID01a0ae90-2480-7f67-94e5-f65ee01f8670 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068316
StatusPUBLIC

Content hashes

Canonical text37ac2484d07337102833db2e6d86ca2ecf18cb7974b514af7ef65ff4951ff0ad
Markdown69b97af244977ed8f586726d4ac63a834ce67306180dfe468a9a38e33ed5b0a7
PDF
Publication page009aff75917c733206f243288af726fd5d60f7ce2bf3a1907e33666ff617d3bf
Manifest16eaefbf45b1d990dec98a1f39a492f9ebfbe1c9877d5adb790668713ffad667

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
SignaturejFDkmCNMccwvcuEDbdf36vJA7uZduEGxVlJsuXBnFlnr0aUpzW61YXLe7cNGWiEhRvVgqgY2HT2XeTa4bZ09Bg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:29:21.238318ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068316
observed 009aff75917c733206f243288af726fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.220629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068316/manifest.json
observed 16eaefbf45b1d990dec98a1f39a492f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.203768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068316/publication.md
observed 69b97af244977ed8f586726d4ac63a83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:21.185992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068316/publication.txt
observed 37ac2484d07337102833db2e6d86ca2e...
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.