OpenTechnical

OT-2026-000056860

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, sustained blow-off after 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-2026-000056860) never changes.

Identity and time

Publication numberOT-2026-000056860 · never reused
Internal UUID01a0ae87-7af8-74d1-9780-77bc085cd806 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056860
StatusPUBLIC

Content hashes

Canonical textf9f6f2889b401d775226a3229a254cfc5721ec284b0320ef83a1cc1425d0933b
Markdownece21a67a850e4eecc7f03f90903a1c8f0a813371b0cec567e222072ff7a65c0
PDF
Publication page506f67871fb1dce495ee7c716ff41ea3d0f0961e0efb021832f9a7dd04bd8aa0
Manifest2fce7a0ef15472e49474082228f069e93a85a792a22e8e70f7571d125f240515

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
SignatureZdpkb5t6Z8hy0HV+mir7mQbJN1SxNite+e3SsradwlnW8Jzkt7QTtQ5YQy2cfsGtoEDjmdAp8UAHlviOiHbnAA==
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

2026-09-17T10:50:21.883218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056860
observed 506f67871fb1dce495ee7c716ff41ea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.865487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056860/manifest.json
observed 2fce7a0ef15472e49474082228f069e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.847114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056860/publication.md
observed ece21a67a850e4eecc7f03f90903a1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:21.829942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056860/publication.txt
observed f9f6f2889b401d775226a3229a254cfc...
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.