OpenTechnical

OT-2026-000086999

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, sustained blow-off before 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-2026-000086999) never changes.

Identity and time

Publication numberOT-2026-000086999 · never reused
Internal UUID01a0ae9a-9f2c-76e6-b024-2569a752515f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086999
StatusPUBLIC

Content hashes

Canonical text77b0d4029d6217188a9fb6b5a91f22b60cb4e5df61ce9f283613d3224445e934
Markdown5bfab42c509cf11add280fcb697fe899f5ff55787bdb7e53c087eb588b692e2f
PDF
Publication page10be004210b9feff2d7c7d9562c437e9e4b36ac909cd67f08470513afaa9f086
Manifest126c5de6101a32d70f82b7493936fee50fb36be999a65836474fc82e667080a1

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
Signature49tOfWAkLEHDRniulXM8IiDtTWWyeBR5fy1+7I8mIY0+GBm5MM6qdnDLxi4fWHNAktrPqhjT4GStwBAUk13vBQ==
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

2026-09-17T09:51:12.999278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086999
observed 10be004210b9feff2d7c7d9562c437e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.982803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086999/manifest.json
observed 126c5de6101a32d70f82b7493936fee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.967966ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086999/publication.md
observed 5bfab42c509cf11add280fcb697fe899...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.951058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086999/publication.txt
observed 77b0d4029d6217188a9fb6b5a91f22b6...
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.