OpenTechnical

OT-2026-000049066

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, 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-2026-000049066) never changes.

Identity and time

Publication numberOT-2026-000049066 · never reused
Internal UUID01a0ae81-134d-7987-b3db-53aa421484a3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049066
StatusPUBLIC

Content hashes

Canonical text98bbbb9f1350122ac3b69c7af72de64a7076332dc5b1c3081afb3167d30cdba3
Markdownfeb5f6b3ffc8ad670e853b1b7f17f90cae65bab1b9f014b957b2ba991cc39c41
PDF
Publication page3636f54fa26f9168ed26d2eeb545c1af1bc7219f777e0f85da3eed535970d2ae
Manifest6ba0587b088869271750401d02aa5b69826279db0489c4e75f23e4227e7c6685

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
SignatureEeOhJqGPCRARyz4XpYa/7Q9fCqvD+rVjLNjnes2TooK6W4ZztrKQdq4Ky7Oz8fbe4y27ojkoQsgVHMy4L5uEAA==
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

2026-09-17T11:03:17.998272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049066
observed 3636f54fa26f9168ed26d2eeb545c1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.977583ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049066/manifest.json
observed 6ba0587b088869271750401d02aa5b69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.956787ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049066/publication.md
observed feb5f6b3ffc8ad670e853b1b7f17f90c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:17.935734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049066/publication.txt
observed 98bbbb9f1350122ac3b69c7af72de64a...
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.