OpenTechnical

OT-2026-000090960

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, 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-2026-000090960) never changes.

Identity and time

Publication numberOT-2026-000090960 · never reused
Internal UUID01a0ae9c-c011-7aff-9bc9-d4dc4819d715 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090960
StatusPUBLIC

Content hashes

Canonical text992a5caf3a997e16e8bbb521946b02c44a7aa48cdadc8b9c2a2504da40aaea80
Markdown0efec322262f25126e8df37b2cc8feabbb25d10d1bbb11ec5cf2ac590c98e5e1
PDF
Publication page747118de8227b730fb478bba27a4b3048c8ab26b0dbd86f5193fb9b349025870
Manifestfa14d384deec30c10c026e869b64a81225f589f554f60722214d285b2f9ccab8

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
SignatureGalcwq/GB5/TnjxS9cWqSU227iPa1wnXDruc4Kd4nW41troDvPcQTunnxXO3AbT6DgSmPh1OBEng+Ite8c/WCw==
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

2026-09-17T09:44:10.982983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090960
observed 747118de8227b730fb478bba27a4b304...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:10.964838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090960/manifest.json
observed fa14d384deec30c10c026e869b64a812...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:10.948411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090960/publication.md
observed 0efec322262f25126e8df37b2cc8feab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:10.931771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090960/publication.txt
observed 992a5caf3a997e16e8bbb521946b02c4...
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.