OpenTechnical

OT-2026-000080930

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, manifold pressure sensor, 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-2026-000080930) never changes.

Identity and time

Publication numberOT-2026-000080930 · never reused
Internal UUID01a0ae96-b975-7bca-8122-dd7ee977bad4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080930
StatusPUBLIC

Content hashes

Canonical texte739cac3561fac8fa65314e287f4ca74597abc0bedc58e6bbc50857c37e0a129
Markdown78f956a449ab89662ec985f60d5882af9b05d07c530d9cc7fb582bfc976585d5
PDF
Publication pagefcdf04286b4bf9979ebdc98cea50015c81f48ec113bff85be3bacfbeea021e7e
Manifestac1a02f4fd808dedacf49c752a61fe5c7cdca58c8160e19fcd98ab050d40ab45

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
SignatureQkDG9p3ZGbdyTdoCe3TmLvUFoa1WMlxVbTn/rhztWbS/uDcU+q6XIGu5rt9gKlxrz0LCBApNF9cxZfyGmwFbDA==
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

2026-09-17T10:02:08.124479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080930
observed fcdf04286b4bf9979ebdc98cea50015c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.107623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080930/manifest.json
observed ac1a02f4fd808dedacf49c752a61fe5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.091277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080930/publication.md
observed 78f956a449ab89662ec985f60d5882af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:08.060776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080930/publication.txt
observed e739cac3561fac8fa65314e287f4ca74...
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.