OpenTechnical

OT-2026-000068290

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000068290) never changes.

Identity and time

Publication numberOT-2026-000068290 · never reused
Internal UUID01a0ae90-2480-7c4b-8d9b-91d61a7af4b1 · 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-2026-000068290
StatusPUBLIC

Content hashes

Canonical text011c42dceb1d426c91030bf6d644f920310c3b308edb958d08cca36a05aa04e9
Markdown76a0f617913241a5cc394516b52548588ac1ca8290f73efdd33462d3998d6a75
PDF
Publication page04d233b00aa83cb465bb4df736015a1729e25a4b68cdf4b4be78acefebc1280b
Manifest7b60bcea327745b21a7a60b3ba4be39224dbfb12fa2ed2d7036ad25df254f464

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
SignatureA9aMHK8CqGRJO6Q/u5QbEbi5XdlVdJX78E47pCkMcizerDZYQj5bVHGMSChxWRV46r2yRvWuzcoO/nzq78wyCw==
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

2026-09-17T10:29:19.411062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068290
observed 04d233b00aa83cb465bb4df736015a17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.394784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068290/manifest.json
observed 7b60bcea327745b21a7a60b3ba4be392...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.378293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068290/publication.md
observed 76a0f617913241a5cc394516b5254858...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:19.361859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068290/publication.txt
observed 011c42dceb1d426c91030bf6d644f920...
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.