OpenTechnical

OT-2026-000064123

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, pressure sensor per zone, 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-2026-000064123) never changes.

Identity and time

Publication numberOT-2026-000064123 · never reused
Internal UUID01a0ae8d-a45f-7447-bedf-91849324381f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064123
StatusPUBLIC

Content hashes

Canonical textd2bdb620f004be126160c37181a0e10c2ff7299b0a7125579ade32a4c25394df
Markdown78c444b4ac1f8af77b1fcbd34c6b57099974d0121705412cd54bc186b4c82b6f
PDF
Publication page269cb20009c96058aabd5a48cac53e3b7b865e37e864c2f90a389ab14275805d
Manifest1badd2899c692abea657ab83078e62065ebbd7a4680769b66a4d1d1e2bae2c00

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
SignatureRC5avruMH19AaHekzd8FdR54JYz6s6vCg2Gv9A6H5mV7gyYgylgfjD/foWpnYULwshQDhtxoEj3JV8BPmf+BAA==
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

2026-09-17T10:36:07.264729ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064123
observed 269cb20009c96058aabd5a48cac53e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.248827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064123/manifest.json
observed 1badd2899c692abea657ab83078e6206...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.230688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064123/publication.md
observed 78c444b4ac1f8af77b1fcbd34c6b5709...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.210509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064123/publication.txt
observed d2bdb620f004be126160c37181a0e10c...
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.