OpenTechnical

OT-2026-000057879

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000057879) never changes.

Identity and time

Publication numberOT-2026-000057879 · never reused
Internal UUID01a0ae88-6ed8-7d48-8bec-f39f8d6f84ac · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057879
StatusPUBLIC

Content hashes

Canonical text4bab384ac226c52d75de6e9f7c9dc89c47cee5dd66bcce1834afd5724bfd7993
Markdowncd4ed5f399c29483317db726b730dff883b2ff0574ca70c05cb785b553b57d28
PDF
Publication pagef5d3f48fdeb6ec6baf6c4d045b1c01b02c9d127c177d0cda7faf967dd47f4124
Manifest80fb6bdc706bbb7482c98d5fe9c100fcab8bad39566a760c5140820b02d9f17d

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
SignaturetNYeXHZE1yXVdpI7wcwn7zbbllcD+n8GgkDDeFxrWuiYfUojwiAVh8IkHEYgpgICt0/qPVeHqMptth+CoDfMBQ==
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

2026-09-17T10:47:28.031035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057879
observed f5d3f48fdeb6ec6baf6c4d045b1c01b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:28.013669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057879/manifest.json
observed 80fb6bdc706bbb7482c98d5fe9c100fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.994924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057879/publication.md
observed cd4ed5f399c29483317db726b730dff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:27.977160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057879/publication.txt
observed 4bab384ac226c52d75de6e9f7c9dc89c...
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.