OpenTechnical

OT-2026-000007822

Publication integrity record

Foam pad vacuum gripper, four zone face, pump fed, 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-2026-000007822) never changes.

Identity and time

Publication numberOT-2026-000007822 · never reused
Internal UUID01a0ae6a-908a-78f0-9448-8386f6587772 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007822
StatusPUBLIC

Content hashes

Canonical textcd8002f1448aa99a26e251238a7c85aa90044fe6859fda2a2b9728083e948651
Markdown353f11073aa2215f326657a6dcce355a4a137c9d6996f91537d22d3c79e5e08d
PDF
Publication page7544d9c828d8c7b073bba32de3605c35171ea1486cb11e77514652cd751ba70b
Manifestdb5914af4687ff8aff40e8d93f1f0516acae689b06f121017f9d4fb8a0a3a6e1

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
Signature/N6bTWoS26hw1AMPDgvLpQeXc0atiG9gNgUwU17ZtSlrh3fj97CNMbJz4f3fHyvypg8PwIL1pIaexw9hbB3GDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:16.165882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007822
observed 7544d9c828d8c7b073bba32de3605c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.147745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007822/manifest.json
observed db5914af4687ff8aff40e8d93f1f0516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.126798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007822/publication.md
observed 353f11073aa2215f326657a6dcce355a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:16.106866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007822/publication.txt
observed cd8002f1448aa99a26e251238a7c85aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:49.239695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007822
observed 7544d9c828d8c7b073bba32de3605c35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:49.220514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007822/manifest.json
observed db5914af4687ff8aff40e8d93f1f0516...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:49.198605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007822/publication.md
observed 353f11073aa2215f326657a6dcce355a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:49.179171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007822/publication.txt
observed cd8002f1448aa99a26e251238a7c85aa...
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.