OpenTechnical

OT-2026-000042094

Publication integrity record

Foam pad 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-2026-000042094) never changes.

Identity and time

Publication numberOT-2026-000042094 · never reused
Internal UUID01a0ae7a-5d71-77c4-8ab2-2bf96052e02c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042094
StatusPUBLIC

Content hashes

Canonical text95eba42dca27b5c6743775f3682c9c2adc86f089f79606cbad40c2cf5520e7ba
Markdown70817ff320ef1743d490b14fc00bfcbd91e603a8027fe67a5757f3da12aacf7f
PDF
Publication page9ccf720228aa66eb58086800ab8d17f50cc5702abf2354d5ec9f96cfe18d0b55
Manifeste877bf7c0a15cbbf3e2db8820f87d9271fb6414768cd11fb2dfbe607c1860e49

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
Signature/1Kf4+vuEo/qHPGzNsFwDtRtaMyiFIGiwEBzT4QCF9Vc/VDjOmM0urph1sqEQd6atF9OFsihKMplvYzDLla8Bw==
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

2026-09-17T11:15:37.524518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042094
observed 9ccf720228aa66eb58086800ab8d17f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.506191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042094/manifest.json
observed e877bf7c0a15cbbf3e2db8820f87d927...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.488219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042094/publication.md
observed 70817ff320ef1743d490b14fc00bfcbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:37.470519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042094/publication.txt
observed 95eba42dca27b5c6743775f3682c9c2a...
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.