OpenTechnical

OT-2026-000023568

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000023568) never changes.

Identity and time

Publication numberOT-2026-000023568 · never reused
Internal UUID01a0ae70-7269-781a-bec6-0147af9adf8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:40.056870Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023568
StatusPUBLIC

Content hashes

Canonical text7244f600557f3a914bcf6029c92e53723a0cf09044693bf9df3e91c52ec307b0
Markdownb2b14a22741e72e65e2029d69eb178c00231237f8e180175b0cdb9495887147f
PDF
Publication page5b4cfbc7ac4da162104e78f0c3618dc6d017c0108832b2f1184a723a31e75e32
Manifest96e86b173b6e14def6e19082abbbc60da78dae592f84600d63135bab56d7727b

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
SignatureQlyfnM3FnugVhnT5/+cfT+yc0pBQg2cdmnUtKDg9v8q2md5rR5L9Q3BDf16ljBa3mPuLeyV3OFlEe2rAjZZhAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:51:55.189702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023568
observed 5b4cfbc7ac4da162104e78f0c3618dc6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.172497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023568/manifest.json
observed 96e86b173b6e14def6e19082abbbc60d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.153424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023568/publication.md
observed b2b14a22741e72e65e2029d69eb178c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:51:55.125817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023568/publication.txt
observed 7244f600557f3a914bcf6029c92e5372...
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.