OpenTechnical

OT-2026-000036103

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, pump fed, 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-2026-000036103) never changes.

Identity and time

Publication numberOT-2026-000036103 · never reused
Internal UUID01a0ae77-01ce-78ea-a7ce-46868b84bbe3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:50.134839Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036103
StatusPUBLIC

Content hashes

Canonical textc684d62e9e8206104fa3da84a128190bdf0bfe678e05cf931699b81d4ad706da
Markdown095f90cc10547e8ef7d7cb4f419c4b46fa40867295a5e0ae59371e8a65585f15
PDF
Publication pagee8bf7aea6a8fc7331bd7e83c3394c0cbc3241db405e11cbe6bcb04ae0e1437d9
Manifest41978e87935bd4173aec110fd24623ec0f7919ff35d67dd87a72975d23f758e2

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
SignatureFYT46H88eBa0COBxpJS+2b412/Sg564NrsP/nK1v4H9Asuq5cyc1cf/4U7SLxrHMPp0mNxTeuHvlQq6Csnh8Dg==
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

2026-09-17T11:26:17.728197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036103
observed e8bf7aea6a8fc7331bd7e83c3394c0cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:17.711593ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036103/manifest.json
observed 41978e87935bd4173aec110fd24623ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:17.695455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036103/publication.md
observed 095f90cc10547e8ef7d7cb4f419c4b46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:17.678448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036103/publication.txt
observed c684d62e9e8206104fa3da84a128190b...
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.