OpenTechnical

OT-2026-000007476

Publication integrity record

Bellows cup vacuum gripper, per zone isolation, two outlet manifold, three stage ejector, plastic cups

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-2026-000007476) never changes.

Identity and time

Publication numberOT-2026-000007476 · never reused
Internal UUID01a0a980-3a8d-74ee-86bb-5244f1faf7b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:15:48.241454Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007476
StatusPUBLIC

Content hashes

Canonical text3a857db846ae49ef10e8665e5d07112ecc256dad4eefb459a2f9abf6f77093ce
Markdown5dae16d59799df2082a1202ba8b3c26c0a69257c6f588601bc107758fc25dca7
PDF
Publication page8c92e70dd1e1b865f8cd6284f0e6883ff2c600708f4dddb30070e5a7146c2a5b
Manifest99b94e65b2541ec00e2dd9550521de5197508a2e5a8755e7f96b446778bb6069

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
SignatureI16xACQ3/XRKmUkSnGndUtC+23JuPC/vsX/a7jzREaSZWNemKFGroEuVuSi66ZE2QzHqhtz6bX1Ke1bKgKRbAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:20:33Z
batch OT-TS-2026-W38-015 · RFC 3161 token · inclusion proof
root 07bfbe2fb3517c1c41f239fb2e682fbe...

Independent retrieval

2026-09-16T09:20:03.284799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007476
observed 8c92e70dd1e1b865f8cd6284f0e6883f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.270725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007476/manifest.json
observed 99b94e65b2541ec00e2dd9550521de51...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.256388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007476/publication.md
observed 5dae16d59799df2082a1202ba8b3c26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:03.241912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007476/publication.txt
observed 3a857db846ae49ef10e8665e5d07112e...
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.