OpenTechnical

OT-2026-000040700

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, 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-2026-000040700) never changes.

Identity and time

Publication numberOT-2026-000040700 · never reused
Internal UUID01a0ae79-6d0f-73fe-9730-99dd39373ae4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040700
StatusPUBLIC

Content hashes

Canonical textad59e7c3364e20c61837970df5f10ea7a187873336c0398776b2caeb1f7218b1
Markdown5e4077e33dbd96e882c3a442a2a6d5644bb8074e6c7823c41d23740064890f4c
PDF
Publication pageca6080af33d558aaeae64ebcda9e23d8734b447dcf586140cc3a58d0faa9c5f3
Manifest567cd6c6d8f3313ad57e236ea2091f176b9cd5bc785c8db3a01a7de95d6a58e7

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
Signatures9GjJ4SxMlx1ULoKja8lGoVlcUGB/7q+CifXQuGgA2LV2Rz+pTr/4O4xGD/KjUwTFI/9kexEtm0Q4fsi+7GmAQ==
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

2026-09-17T11:17:53.966215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040700
observed ca6080af33d558aaeae64ebcda9e23d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.948187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040700/manifest.json
observed 567cd6c6d8f3313ad57e236ea2091f17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.928483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040700/publication.md
observed 5e4077e33dbd96e882c3a442a2a6d564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:53.910437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040700/publication.txt
observed ad59e7c3364e20c61837970df5f10ea7...
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.