OpenTechnical

OT-2026-000073450

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000073450) never changes.

Identity and time

Publication numberOT-2026-000073450 · never reused
Internal UUID01a0ae92-efb8-7aee-ab7e-f1dd30600903 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073450
StatusPUBLIC

Content hashes

Canonical text43a457f25fa1d020a0f3738df1fb6a58a7c21bb1087c8adb10eb3d3fec15891e
Markdownf419545e7ddf4102e4de8c21143a3c785f218e27abb82b28c736bf6774b66b9d
PDF
Publication page05f92163236e6cceb2d42283500ab193ed4b838e22d6a8d279e5c5eac710d7d8
Manifest352cd4f280389f0e3a1563db9a726948c2a6899b189a53d18abb8cdfaf1daaad

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
SignatureeeOFYIHaW1RqE5y7+rIgmdP7xUCItWjL1KZwDMMwfttOVbA7HnI4mIQ5DsYTc44CraEiuz6/+RYT3S9OZJNvBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:21:36.733641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073450
observed 05f92163236e6cceb2d42283500ab193...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.715661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073450/manifest.json
observed 352cd4f280389f0e3a1563db9a726948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.697379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073450/publication.md
observed f419545e7ddf4102e4de8c21143a3c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:36.679460ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073450/publication.txt
observed 43a457f25fa1d020a0f3738df1fb6a58...
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.