OpenTechnical

OT-2026-000102158

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000102158) never changes.

Identity and time

Publication numberOT-2026-000102158 · never reused
Internal UUID01a0aea4-50f2-7c8a-9358-5ff4ef873175 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102158
StatusPUBLIC

Content hashes

Canonical text200879752946919ee7d0b9dc27f068cf48c3ea84083b538678baf1d3e9ba8620
Markdown1336f970bff90f5ba047f2cf3e6bd40122f7c9b7302e74daf14481404a1643d8
PDF
Publication pagecd625972cc5babdd56a2f1a8f4a3222159e40329a86ee01222824368e42f9ded
Manifest1b8aaa9de9df095f62aa29c14e373ce99a7316bbc3bae79af07ac49938e847da

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
SignatureguDAzc7cuHgLR8n06AY26G5yoOiSvCMoaKbMu2AYOh4PsXg0YTWP7YbAQbz2NkBVKtk2JKlq5FFCSBEDW1qIBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:19.546296ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102158
observed cd625972cc5babdd56a2f1a8f4a32221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.528525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102158/manifest.json
observed 1b8aaa9de9df095f62aa29c14e373ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.511564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102158/publication.md
observed 1336f970bff90f5ba047f2cf3e6bd401...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:19.492050ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102158/publication.txt
observed 200879752946919ee7d0b9dc27f068cf...
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.