OpenTechnical

OT-2026-000033526

Publication integrity record

Foam pad vacuum gripper, 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-2026-000033526) never changes.

Identity and time

Publication numberOT-2026-000033526 · never reused
Internal UUID01a0ae75-a38e-799c-8c25-08eb9736aef2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033526
StatusPUBLIC

Content hashes

Canonical text013f7a85e7627178faebb9c0fb2b395a463cc36584525b8979a581bd7b4ed737
Markdowna909d6e2b286462710418dc96fb2a22b4f9f1b41820ca6bc910102dc38ec00d3
PDF
Publication pagedc6afffe122d04c79fa4f5b359be22982c5d17c30d8356b6cf6317a260a39c41
Manifest8146133d80ea6e599e623fc0cacbe373536400904b2ae9faeeeef210b20c2fcc

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
SignaturetklClfMetX2gAmCIhmXA4dyvcxp1faQWnvCjn9IbABpDv4eFWUn7iokWeBm5AhgWgN3UXXcpujFAUMGszFT4Cw==
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

2026-09-17T11:31:23.044860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033526
observed dc6afffe122d04c79fa4f5b359be2298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.028102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033526/manifest.json
observed 8146133d80ea6e599e623fc0cacbe373...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:23.009978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033526/publication.md
observed a909d6e2b286462710418dc96fb2a22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:22.992031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033526/publication.txt
observed 013f7a85e7627178faebb9c0fb2b395a...
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.