OpenTechnical

OT-2026-000067161

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, vented after 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-2026-000067161) never changes.

Identity and time

Publication numberOT-2026-000067161 · never reused
Internal UUID01a0ae8f-14ff-783e-8c1a-27ea86c58b05 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:07.760615Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067161
StatusPUBLIC

Content hashes

Canonical text0d2d682bd1f18fdcc54ea9022f42b8871d787753854461d4929cf54a7ebbc3a7
Markdown9481d28b7e3a164f67c0496ef8eb80755807c83aa76195549518bb3a5cced3b9
PDF
Publication page0a7d38bfa7ad14faebd4f34c3f2d90b0341226449863a702f23e8c1d8073158a
Manifest854fb2766b7055a78f302a7ce79fe8a3c57c4311ff2b3416160d02bfcce224fb

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
SignaturesSeurqHC2ddiyPQtvkMHYJRTJ1WBk0Vk+wBxI7FP/GAK8jNDI3tyUN5PCKzY/MkZ4d+8EnvUKNmFdVvf2uf0AQ==
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

2026-09-17T10:32:26.608644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067161
observed 0a7d38bfa7ad14faebd4f34c3f2d90b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.592023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067161/manifest.json
observed 854fb2766b7055a78f302a7ce79fe8a3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.575317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067161/publication.md
observed 9481d28b7e3a164f67c0496ef8eb8075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:26.557894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067161/publication.txt
observed 0d2d682bd1f18fdcc54ea9022f42b887...
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.