OpenTechnical

OT-2026-000083439

Publication integrity record

Foam pad vacuum gripper, three zone face, pump fed, sustained blow-off before 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-2026-000083439) never changes.

Identity and time

Publication numberOT-2026-000083439 · never reused
Internal UUID01a0ae97-c964-79d1-8317-142c7cedbc43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083439
StatusPUBLIC

Content hashes

Canonical text10880333979687a0bb1c649007a116e9156056350b32da4d8d0d56102dfae4ce
Markdown35aa12bbe7773ab16fb3e8129703a04e940cd7514fbb6452badcc034d71e9541
PDF
Publication page13f6a7c03dd11246d2be89bec64d8998ba76211bbb54e41ce2f9687f7e820ca9
Manifest0c090c0973ee7d609a27f60a8e23ec9a3c03a0942cfde81e18d783ec28ddb850

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
SignatureEzXC2I5TcKva3jvAkaV97FZVSEbe+BumS+bBs/EOXq4KgXNPNBJjxXjckLYz7ucV4S7Pif1S9NzXDNj8ZV5uDg==
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

2026-09-17T09:57:51.424188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083439
observed 13f6a7c03dd11246d2be89bec64d8998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.407934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083439/manifest.json
observed 0c090c0973ee7d609a27f60a8e23ec9a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.392221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083439/publication.md
observed 35aa12bbe7773ab16fb3e8129703a04e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:51.375232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083439/publication.txt
observed 10880333979687a0bb1c649007a116e9...
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.