OpenTechnical

OT-2026-000088144

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088144) never changes.

Identity and time

Publication numberOT-2026-000088144 · never reused
Internal UUID01a0ae9b-1aa8-71c7-a51a-594a7743920d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088144
StatusPUBLIC

Content hashes

Canonical textdc108589312e080ca1eabd9fdacc5ade4957de1a59f658e361e15c493f247daa
Markdown799a6c4aa7626e470533e7c346aeb6b2a1ec7aaeaf94041f2001b117666eb9c5
PDF
Publication page08c4f672d372dacb2fedfae82865bb2cb41906c28d770023c6829690417bf200
Manifest991bc0e5ee63aed81565cb94929e23cc974aa6febb9f3a27f4cbf9593eafd7e6

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
SignatureLDY0CUdiDrA49ipF10UbeljNDvKJ6t7vK4f08dywWU2mZ2Z6AnwkbrM++Q6kvnExNA0xT6hwntKbIEcm5uPMAQ==
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

2026-09-17T09:50:10.815902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088144
observed 08c4f672d372dacb2fedfae82865bb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.797435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088144/manifest.json
observed 991bc0e5ee63aed81565cb94929e23cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.779461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088144/publication.md
observed 799a6c4aa7626e470533e7c346aeb6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.759878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088144/publication.txt
observed dc108589312e080ca1eabd9fdacc5ade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.098087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088144
observed 08c4f672d372dacb2fedfae82865bb2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.079764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088144/manifest.json
observed 991bc0e5ee63aed81565cb94929e23cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.058005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088144/publication.md
observed 799a6c4aa7626e470533e7c346aeb6b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.040730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088144/publication.txt
observed dc108589312e080ca1eabd9fdacc5ade...
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.