OpenTechnical

OT-2026-000078476

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, vented 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-2026-000078476) never changes.

Identity and time

Publication numberOT-2026-000078476 · never reused
Internal UUID01a0ae95-7c28-7f17-a047-332642ef487d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078476
StatusPUBLIC

Content hashes

Canonical text407023f59d0ccadc7beb11c3ae5d5fd73080b8c80374e913a17649da25aff9f6
Markdown3b9f493ea33e8c9c8dfc889427d1192643c252328f5f5083431e8e5701713dc8
PDF
Publication pagea88bed37e201ec6393e83fe2e74cc39cc2557b432ef35042e0e79474b5ff5740
Manifestf7ea92986a0d098596eb3d8889e8c9c58cbd23a5224f8f9200e671d94679466b

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
SignatureK4essDCiWlBIDf14dhLq232k36Nuwci4Wvo2hLEHYs7dFcesN7hh51tgtthXcSP72zkilt//oGBCBhknD2BFAA==
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

2026-09-17T10:06:29.069779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078476
observed a88bed37e201ec6393e83fe2e74cc39c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.051111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078476/manifest.json
observed f7ea92986a0d098596eb3d8889e8c9c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.031657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078476/publication.md
observed 3b9f493ea33e8c9c8dfc889427d11926...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.011934ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078476/publication.txt
observed 407023f59d0ccadc7beb11c3ae5d5fd7...
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.