OpenTechnical

OT-2026-000057485

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000057485) never changes.

Identity and time

Publication numberOT-2026-000057485 · never reused
Internal UUID01a0ae88-2692-7e53-8412-245601554058 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057485
StatusPUBLIC

Content hashes

Canonical textdcdf6a9108a9c3f9b27997cc456cd7d79525d4b39eae9a1208f2f5c78c10a7c0
Markdowne478287b87503651df6e15fefffc1ca3b52c5b612199953a57a53410babca5f9
PDF
Publication pagea71c442a8dcd3dc7ef7b655728573f0f7f38211e0d34090d0913174d7876a52d
Manifest40ff6a126e7ebb22d3a46ea93ac32812d16f4fe0fb8dec6bbd4bdf5b0345f235

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
SignatureoobuspgsK2npqF77J6wdWe8rndC4NNuYd+gXbUs7PbR4x768XhGxyMddoPSGLWdTv2YrC7BOzWLom/S8Sp2RBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:00.466628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057485
observed a71c442a8dcd3dc7ef7b655728573f0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.447032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057485/manifest.json
observed 40ff6a126e7ebb22d3a46ea93ac32812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.426662ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057485/publication.md
observed e478287b87503651df6e15fefffc1ca3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:00.404617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057485/publication.txt
observed dcdf6a9108a9c3f9b27997cc456cd7d7...
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.