OpenTechnical

OT-2026-000092049

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two 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-2026-000092049) never changes.

Identity and time

Publication numberOT-2026-000092049 · never reused
Internal UUID01a0ae9d-43bc-7b47-901d-f214bbda339a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092049
StatusPUBLIC

Content hashes

Canonical text9a7d6892f33fc7a14874826924207f5e4a0857c1fa6bfb31f0941fd8c045b152
Markdownbee67cf977e80f2ba2d47ce4b3561638bd2a52543ab8c6dbc66df34f6e11ee9e
PDF
Publication page72ae40e5d20b96a481cd78ddc829a9247f5027ac97b0e576840c7fa2001174ea
Manifest7079d356a92355ccffd78acaec9b7c50b3fba97c81dca1645ae62ffcdbaf2d1a

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
SignatureiAVlSAlXo1dSCBugP59AQMYPVWflrjQIGstMrTdxWyKGp+bwEekyAcLAOvp9XTu2uL777xDItpzwOMtiOB9YAg==
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

2026-09-17T09:43:08.644473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092049
observed 72ae40e5d20b96a481cd78ddc829a924...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.625028ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092049/manifest.json
observed 7079d356a92355ccffd78acaec9b7c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.605401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092049/publication.md
observed bee67cf977e80f2ba2d47ce4b3561638...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:08.584964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092049/publication.txt
observed 9a7d6892f33fc7a14874826924207f5e...
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.