OpenTechnical

OT-2026-000089469

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089469) never changes.

Identity and time

Publication numberOT-2026-000089469 · never reused
Internal UUID01a0ae9b-db02-7d31-a4be-d138bbebce44 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089469
StatusPUBLIC

Content hashes

Canonical text82787dc42b0233a86878a4f6ac32e08d34d21a92597b55c7f98723d5ade06976
Markdowne2559a350962591584000a3649b74c4f934096579f0211d6e82c51bc705e65f0
PDF
Publication pagea435759e7b4335ebf1a85959089387e86a2b8adf029b03e7a271f433a1208613
Manifest62ddaf60ca1f9ceff5e0672630819729acbd7d05c0945efdacf6a1a06391ec08

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
SignaturenjN7bIRYdKmyeLpJKeRVYfB6A1SAXhscrCC8GpcxkC7+cJU3AFJ5xp3TNV16P+owVa0CB4FnOyvdj0+VlzqBDg==
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

2026-09-17T09:46:55.384608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089469
observed a435759e7b4335ebf1a85959089387e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.366938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089469/manifest.json
observed 62ddaf60ca1f9ceff5e0672630819729...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.343349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089469/publication.md
observed e2559a350962591584000a3649b74c4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:55.319294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089469/publication.txt
observed 82787dc42b0233a86878a4f6ac32e08d...
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.