OpenTechnical

OT-2026-000053450

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, three stage ejector, vented 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-2026-000053450) never changes.

Identity and time

Publication numberOT-2026-000053450 · never reused
Internal UUID01a0ae85-0a90-7995-a316-b5fd182d09f7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053450
StatusPUBLIC

Content hashes

Canonical text811b763d3251d765e39e0dd028bce5db3d40886cf540f9eff014473c355769ad
Markdown32e9d79a4d015ba538e84fada0d87d7ba86a9b9bc5ede16b6e068a7c19aa5164
PDF
Publication pagecd586f3bc80c1082100c6ecc31fc2bf7e2509d024e0610f3086cbe0970f58e9e
Manifest04de3eb81acee7db93a4e794a60434b91ede115387efe9cc5984fd1be21a12a3

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
SignatureC0qL1iPegODjsLeTwueVbNSiQKz6+E+UtJlKpJmtGc8cz7BdhJevbZyHMI4s+RyG3jPS2VOAmjEiktqfHjz1DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:11.661110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053450
observed cd586f3bc80c1082100c6ecc31fc2bf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.643367ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053450/manifest.json
observed 04de3eb81acee7db93a4e794a60434b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.624254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053450/publication.md
observed 32e9d79a4d015ba538e84fada0d87d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:11.603603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053450/publication.txt
observed 811b763d3251d765e39e0dd028bce5db...
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.