OpenTechnical

OT-2026-000027406

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, single stage ejector, supply line 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-2026-000027406) never changes.

Identity and time

Publication numberOT-2026-000027406 · never reused
Internal UUID01a0ae72-6997-7f92-b1bd-3a1aab6970a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027406
StatusPUBLIC

Content hashes

Canonical text015d923dbd32f71486776207527c451ddfea6e3a88fbfaada4f9a97ac29bd4aa
Markdowne2835830465d84e44dc4362f6e9f80d404b9a6cc317a5d9227d0ed415373fe81
PDF
Publication pageb9ebc18bd9f674c1437bf565608e3fd9ac074f9dfbcd673a2a9c2f0d60b2aeb2
Manifest810390e1533d9de7088d772313d8ce372b9358263ab4763c7b83c011ec31ace3

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
SignatureHQT54h4kc8cHMrXeUcknQiShlNWM9QPd8kf7mtoXIL2mSc8cnxAUWWejklkai7JrbeYMjcq44oCT70wATOOqCQ==
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

2026-09-17T11:42:49.899144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027406
observed b9ebc18bd9f674c1437bf565608e3fd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.881807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027406/manifest.json
observed 810390e1533d9de7088d772313d8ce37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.861156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027406/publication.md
observed e2835830465d84e44dc4362f6e9f80d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:49.841688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027406/publication.txt
observed 015d923dbd32f71486776207527c451d...
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.