OpenTechnical

OT-2026-000080537

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump fed, sustained blow-off before set-down

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-2026-000080537) never changes.

Identity and time

Publication numberOT-2026-000080537 · never reused
Internal UUID01a0ae96-7e79-7b01-b9e9-1d994ff3dd2b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080537
StatusPUBLIC

Content hashes

Canonical text4d77655b2fe49fa1b9f6e7187902742d6293f6ba46fc7835e27d6889842f9f73
Markdown5bb523b9670be94118d1365c35e4882651d4901392d7c82af8f1bf850d59bac9
PDF
Publication page0dbf203c683494136d7c706b2dd243758db153cbb4f4f2e83756b137ac037ace
Manifestcc9d1f24739b552a0b4cc6b96f0445cdcf90bc92bef36bf22639fc6c71880fb1

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
SignatureCqp5VeFR2Cv6xdz2FwQfNS9y3RkFvlmCJXLv03r6yS1IcmBbkgtPBeXyMN6zUFIrdXkCNXwWHLZM2ihqDttsBQ==
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

2026-09-17T10:03:03.714567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080537
observed 0dbf203c683494136d7c706b2dd24375...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.696059ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080537/manifest.json
observed cc9d1f24739b552a0b4cc6b96f0445cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.679053ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080537/publication.md
observed 5bb523b9670be94118d1365c35e48826...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:03.661589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080537/publication.txt
observed 4d77655b2fe49fa1b9f6e7187902742d...
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.