OpenTechnical

OT-2026-000038956

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000038956) never changes.

Identity and time

Publication numberOT-2026-000038956 · never reused
Internal UUID01a0ae78-76a0-7de5-a4ff-27b3df7ae403 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038956
StatusPUBLIC

Content hashes

Canonical text2d851cddb7fc97d5dd057988223e9d50bc4877b301de438a80bffa796f42f3b3
Markdown7cba4667e8e1ad720d9f4f8326d17f9cc961108ca2869712a5a0832295f84165
PDF
Publication page3781c981295eb34403216e7c8caffa4f232bb3b4fb6de194543e4bd5a50c62b1
Manifest596cf131ae175491b84868a6f6502006210a01aed9b857269c4e7d0bf9ad844c

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
Signaturel833jZxJagK2RWbnhfIVMX4oM9M3gypSs1d/Mq3w/eFeiuELo7dZnGHFoupBrexxxwuCK3w0AJFdoFSiAi+RDA==
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

2026-09-17T11:22:13.713906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038956
observed 3781c981295eb34403216e7c8caffa4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.695790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038956/manifest.json
observed 596cf131ae175491b84868a6f6502006...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.677857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038956/publication.md
observed 7cba4667e8e1ad720d9f4f8326d17f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:13.661197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038956/publication.txt
observed 2d851cddb7fc97d5dd057988223e9d50...
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.