OpenTechnical

OT-2026-000059077

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000059077) never changes.

Identity and time

Publication numberOT-2026-000059077 · never reused
Internal UUID01a0ae89-8611-77d5-ac61-73495a4543bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:03.500379Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059077
StatusPUBLIC

Content hashes

Canonical text18d655d5ed534e1e9bdb40e03e8dc79ba2b6889eabfab0edcdfdce22b5a25b96
Markdownbc01a9f99ee14ac3a9ed9cfd38032a64de8a65bfa7e742700cc6335fe0c115f1
PDF
Publication page41b77d4c7d963241cb27faeafd4b9b2a0efcfbb9dcf3b618e9815b0e1e07213e
Manifest66e6f48b582e91d486b99641ad7d2a0f0f548b45ccfd8ffc79838339fd97e564

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
SignaturezOPuHaV02paXR9xEYATWBq08tQUJqz193NNAC2U86FNOCpvFAzpW7uMFTdz5eB5QviaCL9qziNHqnSWD0o7vBQ==
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

2026-09-17T10:44:54.202974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059077
observed 41b77d4c7d963241cb27faeafd4b9b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.185935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059077/manifest.json
observed 66e6f48b582e91d486b99641ad7d2a0f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.166921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059077/publication.md
observed bc01a9f99ee14ac3a9ed9cfd38032a64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:54.149981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059077/publication.txt
observed 18d655d5ed534e1e9bdb40e03e8dc79b...
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.