OpenTechnical

OT-2026-000019328

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000019328) never changes.

Identity and time

Publication numberOT-2026-000019328 · never reused
Internal UUID01a0ae6e-f392-7878-9817-59abe64d2bf1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019328
StatusPUBLIC

Content hashes

Canonical text4b59a3acb347b5a6e77bcdf3f6ae8eb5ac0e6fb60b456ad37a95ff8fbcbd8838
Markdowncb9b3b727f08890a368fba2436671b174dd39271265c42bbe23f1449d1804dae
PDF
Publication paged65d06a76a605aaba07c8f858d560b48cea399f9a05bc638f4f349ee8b729924
Manifest0353ec67d718441b912b19a794c38325d0e9885b5f42ff63a23f39151708b7bb

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
SignaturebTYAGHC6kXpPKtIDSmO8ZF9LNwZiTDqnoSfHM655wK7C6U5RG3gW12SmQeIOsBqWvL0veE04AVkn0ZJPHVc3Aw==
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

2026-09-17T11:58:41.712341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019328
observed d65d06a76a605aaba07c8f858d560b48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.694998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019328/manifest.json
observed 0353ec67d718441b912b19a794c38325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.676719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019328/publication.md
observed cb9b3b727f08890a368fba2436671b17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:41.658226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019328/publication.txt
observed 4b59a3acb347b5a6e77bcdf3f6ae8eb5...
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.