OpenTechnical

OT-2026-000054483

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000054483) never changes.

Identity and time

Publication numberOT-2026-000054483 · never reused
Internal UUID01a0ae86-1283-7014-beb7-dcd856d33eb8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054483
StatusPUBLIC

Content hashes

Canonical textf694cb0a0f7cf804ee4a506d12bf3b98e6c85b156ef6a7e582bb07c27bfde192
Markdown5ce75a44636c4ab40ce0820876b36930b2001efdfeb1f47c2b18e7f2ae418afc
PDF
Publication pagec2e6343cab21b2ae38318dbc4c30881d0ef1f94a2c67531ea409a84f68a82d81
Manifest098c64301cb5c113d7694de7d0da38319323eb9385f7bf19a4c992abc394dba7

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
SignaturefGnK2NSiV5nPXLhCGHYF9ZdbI+6qMDiZPzkAvSq37B1lwBWM2WRtp7S2U+/djT3AOZ1HmX4XCra2+4HbPHJ0Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:53:28.931263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054483
observed c2e6343cab21b2ae38318dbc4c30881d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.913496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054483/manifest.json
observed 098c64301cb5c113d7694de7d0da3831...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.895564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054483/publication.md
observed 5ce75a44636c4ab40ce0820876b36930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:28.877417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054483/publication.txt
observed f694cb0a0f7cf804ee4a506d12bf3b98...
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.