OpenTechnical

OT-2026-000080545

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, sustained 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-2026-000080545) never changes.

Identity and time

Publication numberOT-2026-000080545 · never reused
Internal UUID01a0ae96-7e79-7c56-afda-0ef0d4764c64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080545
StatusPUBLIC

Content hashes

Canonical text66a83ebf8945410698f312c851e94c8ee0a4248d183b9e6f173ce589f4dbe0f1
Markdowne0deb48f92bed75e5bb525d037f2ae46b1f40293ad5837869dfefffadb938764
PDF
Publication page45e3b320516d5bef195c29afa7d611691ed16f89b3d3b649c59df2d2aa0bfdf9
Manifestd94e7950cac0d611a289b90660f2220ddd585a7cbec5919d17328b3b6ad09467

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
SignaturevDbTsR8KrSbxqH1GTYR5uVYvzYZekazz0VplRhH8tbe9yyOcTAMQvLMRtAxeva9OHsXaAKYaQz0ZXsn9606KAw==
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

2026-09-17T10:03:10.188610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080545
observed 45e3b320516d5bef195c29afa7d61169...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.168661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080545/manifest.json
observed d94e7950cac0d611a289b90660f2220d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.150567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080545/publication.md
observed e0deb48f92bed75e5bb525d037f2ae46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:10.128759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080545/publication.txt
observed 66a83ebf8945410698f312c851e94c8e...
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.