OpenTechnical

OT-2026-000100106

Publication integrity record

Three cup vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100106) never changes.

Identity and time

Publication numberOT-2026-000100106 · never reused
Internal UUID01a0aea3-1474-7feb-b554-06f289217a0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100106
StatusPUBLIC

Content hashes

Canonical texteed1b7e455578b4b0f7a05ebc11e7ceab4cc957450437c13f907184f89d4e9bc
Markdownaa730df9019b9214ff52b9f357e144a7aaa3a823d80beb05260224bc6dc4a37f
PDF
Publication page1189af0258753310aafaacbffa84100a36b305bde7a028897fed85813f1e39b5
Manifest74c0d58b7f8b076fa09513ee4af70cdcb7add54f69d489a5559cb332ac9993e4

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
SignatureivIqm+bpQ3f0RZwH4TC1Ch/zhya24R00pKxcMxoZktf8gMtNPEeza3XjeqfoMmkqmHEe/9fVfdJxm7Gnsr7CDg==
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

2026-09-17T09:29:04.063393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100106
observed 1189af0258753310aafaacbffa84100a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.044510ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100106/manifest.json
observed 74c0d58b7f8b076fa09513ee4af70cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.026951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100106/publication.md
observed aa730df9019b9214ff52b9f357e144a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:04.007238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100106/publication.txt
observed eed1b7e455578b4b0f7a05ebc11e7cea...
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.