OpenTechnical

OT-2026-000071028

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented 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-2026-000071028) never changes.

Identity and time

Publication numberOT-2026-000071028 · never reused
Internal UUID01a0ae91-8c2e-7a67-80ab-ee1c8d438d50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071028
StatusPUBLIC

Content hashes

Canonical textcfb5b5c7f2af438996915f79494da97ef7ed3f51836088594be0c0d6b3bccec0
Markdown337d343004492cce8b2ea7a8fed86b8aa5e4708ab5d29117bfa66c37618bd187
PDF
Publication page091787f548a3bb5621e77f52ee747778bd43bdaa7bb6001641a31855374db99d
Manifeste8ee508ed3a426351fa06a1be1ae5bdf7f1ff7d9e492c2b7a291901c224c10c9

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
SignatureNswvoxfoMMLAeuIxDXoHzWMLSneMgweR4rIyj5183j0hXirleBukFmmcRYsBj+RvqbcehRXOrgiYAlErDomoDg==
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

2026-09-17T10:25:51.502552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071028
observed 091787f548a3bb5621e77f52ee747778...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.485570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071028/manifest.json
observed e8ee508ed3a426351fa06a1be1ae5bdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.467943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071028/publication.md
observed 337d343004492cce8b2ea7a8fed86b8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:51.451183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071028/publication.txt
observed cfb5b5c7f2af438996915f79494da97e...
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.