OpenTechnical

OT-2026-000009605

Publication integrity record

Single cup vacuum gripper, pump fed, sustained blow-off after 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-2026-000009605) never changes.

Identity and time

Publication numberOT-2026-000009605 · never reused
Internal UUID01a0ae6b-7563-7b52-9bb2-bce33e36d74d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009605
StatusPUBLIC

Content hashes

Canonical textac5eced5dfd0320dc6831f1cbab0e7727aa5a497ff4920cb2a75f7af8a3327c3
Markdown4e3d43d4576f08bae1d631588c5cf519c641369555cf0b594992a66315c543fb
PDF
Publication pageae475f5eb09c50813d1514bcb13ef3762da9049d42095aa4d5f34f9e0765a169
Manifestda64fa62cb2b43f0007848a155903527365dd3990e9e4d65a47bec176d55b50f

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
SignatureRHlUaacE9XlaWkN/yzyuz69opeV5E5f55FyJJFRHNSGZHwssrNfERePoJRIxNxVYYZpMGciGFxiFDGsjLBmDDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:17:03.167129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009605
observed ae475f5eb09c50813d1514bcb13ef376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:03.147618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009605/manifest.json
observed da64fa62cb2b43f0007848a155903527...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:03.121916ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009605/publication.md
observed 4e3d43d4576f08bae1d631588c5cf519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:03.101640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009605/publication.txt
observed ac5eced5dfd0320dc6831f1cbab0e772...
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.