OpenTechnical

OT-2026-000045154

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000045154) never changes.

Identity and time

Publication numberOT-2026-000045154 · never reused
Internal UUID01a0ae7c-f769-7cb0-a0ca-2036dbc9df37 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:20.545172Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045154
StatusPUBLIC

Content hashes

Canonical text3d1808e5603220d2ddbf5175b826b31e1e06e5baafe0e12b6b33c193ac65ffb6
Markdowned99795a1c2975339df28e8974f9d4148f0d8a2af03e101e05002009e7a93acd
PDF
Publication page4d8efcd9064bcfefc31849ccea9d7bf9795823be9e62d9a096f9688467de1600
Manifest32e59513a640426c1ac37569b319cb2db128adba9076cf5fc46ca34799002a98

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
SignatureqGBMulsW86NbuDVxgVDo27IPnfiNVAgcUd3yrynrZQMOh25KVMIRS/0aEBRXLGbT/2Q13SC75DpnskNLf31DCw==
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

2026-09-17T11:10:18.620025ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045154
observed 4d8efcd9064bcfefc31849ccea9d7bf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.602707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045154/manifest.json
observed 32e59513a640426c1ac37569b319cb2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.582495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045154/publication.md
observed ed99795a1c2975339df28e8974f9d414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.566223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045154/publication.txt
observed 3d1808e5603220d2ddbf5175b826b31e...
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.