OpenTechnical

OT-2026-000092100

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000092100) never changes.

Identity and time

Publication numberOT-2026-000092100 · never reused
Internal UUID01a0ae9d-8759-7c94-8529-83654ba66013 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:54.538201Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092100
StatusPUBLIC

Content hashes

Canonical text94fd0724fd49284a3b1bc4481163444fed19f9736d3bbc8aa1aa859fa03e7720
Markdowna4f550c662aa039dc86f812818955e032d9f50299ad3797deed88c78cbd97a71
PDF
Publication pageba5e8c4a6a68e34310a03aba819629e873fa7c1458407978c8144f2e73d1986c
Manifest42dba74ee9cbd48bc44296b3478289290e43476025a1b58159c41e5dbb4c0fa0

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
Signature4RPlWDX/1BKqj5q2w1TGRMNTRkMwi9dPyhwpo/TUKJd0uoFy3GHJH4vu6iAkFdz0nKCLNOVptBZ/P6bkV3lWBw==
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

2026-09-17T09:41:33.662368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092100
observed ba5e8c4a6a68e34310a03aba819629e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.643405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092100/manifest.json
observed 42dba74ee9cbd48bc44296b347828929...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.625046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092100/publication.md
observed a4f550c662aa039dc86f812818955e03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:33.606982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092100/publication.txt
observed 94fd0724fd49284a3b1bc4481163444f...
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.