OpenTechnical

OT-2026-000091298

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, 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-2026-000091298) never changes.

Identity and time

Publication numberOT-2026-000091298 · never reused
Internal UUID01a0ae9c-f16c-7d63-801b-72f47cc5cfa7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091298
StatusPUBLIC

Content hashes

Canonical textb0602d6278edb4abeb09ab98166c3e868279edf65f4106f5ed271fc9de02e9ce
Markdownc56c0293cad3d1d44cf5cca7d07af209cc66b60ddc31b2864d6f7de4feabbc29
PDF
Publication pagef290292ea8fe3c9751ef9d0ae76f9d2a73b4c63751afe6da446ce74af4b0eda3
Manifestaae00ce82ca1f6028275992bccbe45985dc0816e041abf0517b994610de515b7

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
SignatureVlXHoIxKMCmtzjLHoMsTFuaD0JRUXGBDZ33KC/i97kcSZCDc+c3e7cBAr4Jzfa1xIM46BUgK+3yidWIeJEcyBg==
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

2026-09-17T09:43:29.675402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091298
observed f290292ea8fe3c9751ef9d0ae76f9d2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.658156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091298/manifest.json
observed aae00ce82ca1f6028275992bccbe4598...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.640830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091298/publication.md
observed c56c0293cad3d1d44cf5cca7d07af209...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:29.623534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091298/publication.txt
observed b0602d6278edb4abeb09ab98166c3e86...
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.