OpenTechnical

OT-2026-000007863

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after set-down

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-2026-000007863) never changes.

Identity and time

Publication numberOT-2026-000007863 · never reused
Internal UUID01a0ae6a-908a-72a1-aba3-8ec3ab79b719 · 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-2026-000007863
StatusPUBLIC

Content hashes

Canonical textf7c26bba73621e8f7c54c24554e15a45dac22cef5f78e0b9bdaf260661239b79
Markdowndda28a1ed668d0ca366db62c0e37d1f5db074ed1e6c64d88f68fe3f053796f89
PDF
Publication page27e6d56ec1f6bca476e91249acbb52c9e280a13c3509c84c8fe5041c83cda8d5
Manifestd35e2a17bb857a6fb370f8296f6afe3d2428528cc0165d15100ac4ce87c54218

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
SignaturenAGNNOlL5gG5dg2+B1iHQPNB/yyUv3JDnSfF0KtSKnbT9R7iao/kx6/ji+2LfY3YldfA3wCUTmEDhvA/0L27Dg==
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

2026-09-17T12:20:07.668510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007863
observed 27e6d56ec1f6bca476e91249acbb52c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.650771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007863/manifest.json
observed d35e2a17bb857a6fb370f8296f6afe3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.631694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007863/publication.md
observed dda28a1ed668d0ca366db62c0e37d1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:07.613153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007863/publication.txt
observed f7c26bba73621e8f7c54c24554e15a45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.905365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007863
observed 27e6d56ec1f6bca476e91249acbb52c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.885136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007863/manifest.json
observed d35e2a17bb857a6fb370f8296f6afe3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.866214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007863/publication.md
observed dda28a1ed668d0ca366db62c0e37d1f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:19:46.846790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007863/publication.txt
observed f7c26bba73621e8f7c54c24554e15a45...
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.