OpenTechnical

OT-2026-000104087

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off after set-down

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-2026-000104087) never changes.

Identity and time

Publication numberOT-2026-000104087 · never reused
Internal UUID01a0aea5-341f-7c1c-b007-380c7a1720b1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104087
StatusPUBLIC

Content hashes

Canonical textaabe89ff68b31ac8c464274690356809c77a6212e9c52a968a21f8b731a9ecff
Markdown519360468f9f43c6fcf7c08661af58a6971ece983e19880da7fae24ac277c719
PDF
Publication page5493c15318d6fda16abe389819f6e66ee343256eb6290d3c0344e92a11243c3e
Manifest8096aef1b963089f5489ae347abbd917f0b7e700dd704c05be0a2e42c7a92e0e

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
Signatureyt21eyHya2H7lu5S0kal2+j/k/ZThgqdPLDSyMfbLEiC+DoHRAiQbdI88KbmtfEBLdvgZKmO1kTujjRsJK7/BQ==
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

2026-09-17T09:20:09.382129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104087
observed 5493c15318d6fda16abe389819f6e66e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.363695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104087/manifest.json
observed 8096aef1b963089f5489ae347abbd917...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.345540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104087/publication.md
observed 519360468f9f43c6fcf7c08661af58a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.327808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104087/publication.txt
observed aabe89ff68b31ac8c464274690356809...
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.