OpenTechnical

OT-2026-000087802

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, supply line pressure sensor, 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-2026-000087802) never changes.

Identity and time

Publication numberOT-2026-000087802 · never reused
Internal UUID01a0ae9b-1aa4-7776-8272-890ea716c9d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087802
StatusPUBLIC

Content hashes

Canonical textd3f4c9b13551934d17056935befb48ebadf3d84617fd2cdbe2aff7ac18ef188f
Markdown552988b49c79e870994d35e949fd2e01b0c60cfa43bff4a70d9a5fbe9fd95f8a
PDF
Publication page09b42ca3d8d6abf954c18219cae1e876e83f2e08a3e3b034d3f0bd67e38cc44a
Manifestc7b431108866280a6110058edfa6e33a58b89166ea45c7d50843383cad3fa252

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
Signature8gFGAKAUCH2Y1l1dLaEAEc0lsrUutBVOgLHkLYNozM2emeZeT5iDNcJZCUTjevYsX+G8n0aFYUD+qTUp/sE/DQ==
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

2026-09-17T09:48:56.345936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087802
observed 09b42ca3d8d6abf954c18219cae1e876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.327289ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087802/manifest.json
observed c7b431108866280a6110058edfa6e33a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.309737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087802/publication.md
observed 552988b49c79e870994d35e949fd2e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:56.292261ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087802/publication.txt
observed d3f4c9b13551934d17056935befb48eb...
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.