OpenTechnical

OT-2026-000007404

Publication integrity record

Porous face vacuum gripper, six outlet manifold, three stage ejector, vented before 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-2026-000007404) never changes.

Identity and time

Publication numberOT-2026-000007404 · never reused
Internal UUID01a0a97d-8cf1-7ecd-a110-12b7c13ede12 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:12:52.724570Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007404
StatusPUBLIC

Content hashes

Canonical text745e6060f5fb9cb59df81d0e00c92d41944c1c6fb256ee6c08675e4d519fe0e8
Markdown4c6536cb712516b796405a71521029854611b94ff90df92fdaff313c2f90bfdb
PDF
Publication page28fc1a18946cc93816e9187b96ff2e5d67a48e2c16a796d343335277cdd0d6ad
Manifest5466a452fae4f534e56cb81977558754876855a6615c8d5d169d2263992e6eed

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
SignatureK2MX2S2BESgU8CEKdUYChtw9+GnFxXoiWhge6AwMUhTErZG3bVxPRe3cCwji+aVF03RLn1JuxHh1pbrW56W4CQ==
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

2026-09-16T09:20:07.290422ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007404
observed 28fc1a18946cc93816e9187b96ff2e5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.275978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007404/manifest.json
observed 5466a452fae4f534e56cb81977558754...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.263252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007404/publication.md
observed 4c6536cb712516b796405a7152102985...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:20:07.250397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007404/publication.txt
observed 745e6060f5fb9cb59df81d0e00c92d41...
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.