OpenTechnical

OT-2026-000022974

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000022974) never changes.

Identity and time

Publication numberOT-2026-000022974 · never reused
Internal UUID01a0ae70-46ec-718f-b0a9-41a7dc91b476 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022974
StatusPUBLIC

Content hashes

Canonical texta4fb274d9fd5d852150604094e050074c549c29cf1a1ab76e03ff2e43822c6e0
Markdown33e3d9458a592c2f6a4e2c285b7cacbe8d859241928a849b965d02fe0af4e531
PDF
Publication pageca58ae69cd6f4259d5d1b4071bc1c5b22598b3ceca2f723dcd41e7e7caedcb96
Manifestc1344877f47016170d159f444fb99aa73fa55ec70b6cda422169f7020f7960e1

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
SignatureI/N8LF3PVDzV18QF8Y+DHncB9T4OtIgOW67nmZQydCyfVHwYYpjVrjeZ/o5vHhTOVXO2I4tomaBPl9UIyHGcDA==
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

2026-09-17T11:52:33.787508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022974
observed ca58ae69cd6f4259d5d1b4071bc1c5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.771775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022974/manifest.json
observed c1344877f47016170d159f444fb99aa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.754492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022974/publication.md
observed 33e3d9458a592c2f6a4e2c285b7cacbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:33.736841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022974/publication.txt
observed a4fb274d9fd5d852150604094e050074...
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.