OpenTechnical

OT-2026-000059881

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000059881) never changes.

Identity and time

Publication numberOT-2026-000059881 · never reused
Internal UUID01a0ae89-ec26-7032-80ab-78000f8ae868 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059881
StatusPUBLIC

Content hashes

Canonical text0588f70018d75217d62f65cbf2534358dc5c23c570147003aacba2e8831ce2ae
Markdownd4bcecf60d0b0852efb1c97ed1071f240a7a31203c7e0c7937322c02eecf102c
PDF
Publication page41d6b50558b8c5b4115988d503343e82f94cd2f6211424136cda5879c3b13670
Manifest63a002e3bcbd6d14b961a78c83349ab23b0aa95a39bbee31282f897024731fbe

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
SignatureRo9hnn8l6K8EQKlRgoBfmAJMbQZZA4DTLugkv22T3qw1I+unJ3LzhuZvv0da09D4SrIurWPdR9HAOylvNPgkBA==
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...

Independent retrieval

2026-09-17T10:44:38.319001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059881
observed 41d6b50558b8c5b4115988d503343e82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.302424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059881/manifest.json
observed 63a002e3bcbd6d14b961a78c83349ab2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.282185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059881/publication.md
observed d4bcecf60d0b0852efb1c97ed1071f24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:38.262730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059881/publication.txt
observed 0588f70018d75217d62f65cbf2534358...
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.