OpenTechnical

OT-2026-000007790

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000007790) never changes.

Identity and time

Publication numberOT-2026-000007790 · never reused
Internal UUID01a0ae62-843f-7da6-bcc2-d1c96ede2ec1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:27.126957Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007790
StatusPUBLIC

Content hashes

Canonical text96dc3028cc4f84d61d6239620a6148de3a3e01acacb09fb8303da7382c7b9325
Markdown7b43eeb0f63760fd37a422f2650800e1a82a01b704d40088423d68e29cb4f05b
PDF
Publication page9bd37bd507e48f6d19dd1a071feea08fb015ada7a69ca6b31c5a27c7c69fc24d
Manifest11b6d894fcba58dfc396003ad627ea3b348f75114f54c89683e3d05a5218859b

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
Signaturepi9DP/nQNBLtXh5H2sh3W1Nxxeiw6EjH/+OfmtqlRNDawjUgAwx04n3xR1dOPczPIjS/rmKgJEgL0+LkydL4Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:11.815477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007790
observed 9bd37bd507e48f6d19dd1a071feea08f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:11.796915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007790/manifest.json
observed 11b6d894fcba58dfc396003ad627ea3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:11.780381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007790/publication.md
observed 7b43eeb0f63760fd37a422f2650800e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:11.762553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007790/publication.txt
observed 96dc3028cc4f84d61d6239620a6148de...
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.