OpenTechnical

OT-2026-000048414

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off 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-2026-000048414) never changes.

Identity and time

Publication numberOT-2026-000048414 · never reused
Internal UUID01a0ae80-4de4-7b52-a4f0-f9c75511ae9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048414
StatusPUBLIC

Content hashes

Canonical text5814598a653f763b2d8a735132392ecf4e239b8580c40c4064476961a8c16544
Markdownab8424644ffe087cd250906c95c0046a5cb73167076d3240e4b893ee27b3189c
PDF
Publication page73890e10e38b093bd626729c5d85147a62bd2d36727a3476725994d6b47c5aa8
Manifestd3f0e28b52c07bb9305cc6e4f7cdc76c3c21b3023cba5de40f11e5c609b0fdd2

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
SignaturegWmhK/nH/JAjSBOjKh1B8HjJyjYocPI676DiOp+Fl3BbZt2P+G3U0DIH6zK3/bByO41zj+PCB5BypxemkyDDBA==
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

2026-09-17T11:05:03.372082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048414
observed 73890e10e38b093bd626729c5d85147a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.352772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048414/manifest.json
observed d3f0e28b52c07bb9305cc6e4f7cdc76c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.335376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048414/publication.md
observed ab8424644ffe087cd250906c95c0046a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:03.317091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048414/publication.txt
observed 5814598a653f763b2d8a735132392ecf...
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.