OpenTechnical

OT-2026-000030495

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000030495) never changes.

Identity and time

Publication numberOT-2026-000030495 · never reused
Internal UUID01a0ae73-e504-7ba9-b14e-29959767f0b9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030495
StatusPUBLIC

Content hashes

Canonical text8a65fa440d98ca24705ba23ee630793a6b68df016f216e9ffcb388559b4be44e
Markdown4eeb9a1387084ffb65bd5315af1b61b0f207675cb132c1adf875146982c7276f
PDF
Publication page43b7276ac6e4d8a30254c8bf42c6be47f3e56ff5d16f4932259b14b8c41934b6
Manifest133567e68e006345ef6d5d4cfa35137b2d49dc30db94833b0513f4ffe017cd84

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
Signaturel/03DqsZD4qRJGKgZoWsyuoa82QsqqPWBsk3798/ax1/G/N66l0xlXbDv/n/qSceOaNqYv0rgJynl5KNrd14Dw==
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

2026-09-17T11:38:20.968411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030495
observed 43b7276ac6e4d8a30254c8bf42c6be47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.948948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030495/manifest.json
observed 133567e68e006345ef6d5d4cfa35137b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.929481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030495/publication.md
observed 4eeb9a1387084ffb65bd5315af1b61b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:20.911438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030495/publication.txt
observed 8a65fa440d98ca24705ba23ee630793a...
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.