OpenTechnical

OT-2026-000005778

Publication integrity record

Vacuum cup gripper, common isolation valve, four outlet manifold, pump fed, 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-2026-000005778) never changes.

Identity and time

Publication numberOT-2026-000005778 · never reused
Internal UUID01a0a944-8e08-7c2c-88f2-367aa9bc2e51 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:10:37.450913Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005778
StatusPUBLIC

Content hashes

Canonical text0ad30c6003ef8b421978b519f5084ce08ef31e4174efa700d90c9fc0b20d1baf
Markdown8f9e18187c31cad3b0ec512f243dcd5fc51babea261c5a548724566823c3681b
PDF
Publication page61a0f7cf25a75df2136ed547b8ba9f6f37c2b0b19ea0ca8b8b74169028a03f29
Manifestc3901d5b051d2483ccc16b4f9df1ebe8dc78a813b4b6d25f2d14e67af763ce80

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
Signature0AwHcscdA1pXgm8prH+lPzisAD+SmjaGkyqfIPNZZdyPedAhIRaVMncRIylPsqtj8uNIrumBJA81bV+l+4ZiBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:20:33.954779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005778
observed 61a0f7cf25a75df2136ed547b8ba9f6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.941086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005778/manifest.json
observed c3901d5b051d2483ccc16b4f9df1ebe8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.927661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005778/publication.md
observed 8f9e18187c31cad3b0ec512f243dcd5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:33.913287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005778/publication.txt
observed 0ad30c6003ef8b421978b519f5084ce0...
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.