OpenTechnical

OT-2026-000039230

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000039230) never changes.

Identity and time

Publication numberOT-2026-000039230 · never reused
Internal UUID01a0ae78-9673-734d-b3f4-ee92e53bdf6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039230
StatusPUBLIC

Content hashes

Canonical textfcd76f693bdd60ad2385c554164921f8220212eb243de9f36db851ec93d6d698
Markdown364a418a13ee9fdea76ac8bfdf9f25f48ebabccdf2ab7d923c3e17e0d1731bf9
PDF
Publication page9009de7ef62ef845f69e0bd8ba6f0d98605e01aab0a4591e48ef4c9f25255153
Manifest7a9c34e3b20be51ed98de3009e397e6135c1290101b1099b293e629d0f063beb

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
SignatureeYHd6GzswsipvemJrNwO8BvEuXziX2x7qhctYd5KV7MeybLdUN5V6L85GNUqIwFIq6V2HtZzQLSUbPkr+eRPAw==
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

2026-09-17T11:20:47.006579ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039230
observed 9009de7ef62ef845f69e0bd8ba6f0d98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.989038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039230/manifest.json
observed 7a9c34e3b20be51ed98de3009e397e61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.970644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039230/publication.md
observed 364a418a13ee9fdea76ac8bfdf9f25f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:46.951451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039230/publication.txt
observed fcd76f693bdd60ad2385c554164921f8...
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.