OpenTechnical

OT-2026-000018102

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed 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-2026-000018102) never changes.

Identity and time

Publication numberOT-2026-000018102 · never reused
Internal UUID01a0ae6e-96fd-7b0f-a2ea-d22e7e157471 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018102
StatusPUBLIC

Content hashes

Canonical text1adb1dd65a0021b5dca317a04c869ec0e391f0a485ff35f0af69f11ed8d47a2b
Markdown66087fc884078fd44d3bb009d4cf6fbe16ade2b58fffcc761d7aba3b569afad1
PDF
Publication pagee0f9a1ffe7fab1a739c36177277f7cad1698a408605b43cb2089871e2cccde45
Manifest0bb4dd6a2b65f94adef1e5a65117e564bffa8ea500ddc2ecefc4e1e7f14c118d

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
SignatureWa5md4loIyKWB/oHjx1HHj6h2jCpogn5cWECyt5CZdZNK3cvAC0HUke+tVOh34HpEGVvc4sXS55FLHQvRHleCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:02:07.772515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018102
observed e0f9a1ffe7fab1a739c36177277f7cad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.756337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018102/manifest.json
observed 0bb4dd6a2b65f94adef1e5a65117e564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.738545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018102/publication.md
observed 66087fc884078fd44d3bb009d4cf6fbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.721976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018102/publication.txt
observed 1adb1dd65a0021b5dca317a04c869ec0...
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.