OpenTechnical

OT-2026-000079469

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000079469) never changes.

Identity and time

Publication numberOT-2026-000079469 · never reused
Internal UUID01a0ae96-0b91-7319-9aeb-0cb32e08a5ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079469
StatusPUBLIC

Content hashes

Canonical textee3912fed7968ee0f02c7044fbe9be81684e8befab3710c5cc5119300a8456c7
Markdown5e1695c726a423204854129715270d9a3db775b1d5ba8a0ed919df943ccd1ed4
PDF
Publication page48d07b38a5ebea87ee153370bd67c395653904c15adb0f6c5a06602617ca7f82
Manifest22c1ef5a23be8be12dd56e82fa5485a2348bc4ef2e154eac2eda43b12b9a4459

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
SignatureIFRVH5Ov4EDcCjS2WE4+WGQ2gCpRZZA4X0yIGj+savBE1ck1xDgwWp+Gh5vHa2gsheNMNQT74bGQ2wCK066TBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:05.512902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079469
observed 48d07b38a5ebea87ee153370bd67c395...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.493829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079469/manifest.json
observed 22c1ef5a23be8be12dd56e82fa5485a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.474810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079469/publication.md
observed 5e1695c726a423204854129715270d9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:05.457340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079469/publication.txt
observed ee3912fed7968ee0f02c7044fbe9be81...
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.