OpenTechnical

OT-2026-000008118

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, pump fed, vented before set-down

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-2026-000008118) never changes.

Identity and time

Publication numberOT-2026-000008118 · never reused
Internal UUID01a0ae6a-908c-7ea5-9ec8-2a7882529a2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008118
StatusPUBLIC

Content hashes

Canonical textffd7bf6af68ffb9fb35ee36d73b268640014792ceb30b007ba8e418de1c56f19
Markdown649a840d5bc0e0d5cd007051a2cd085d0436d533231438bde3146e396e2f2746
PDF
Publication page387a42aac2e5cc37cb0819bf6f441603d3c971b852aba23bc853a978f3946c5d
Manifest9677d2a714720ee3148eca5b5167783382ea789627191499050d69cf9ad523f2

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
Signature416rJCSHpBNda6PBnaqwnN+EIv+zXQngr2JeIPVU0Junk+b1XvSmrSbTbvtoO0NK7fAeud1pFzj0kq25QzUqBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:26.262112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008118
observed 387a42aac2e5cc37cb0819bf6f441603...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.243167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008118/manifest.json
observed 9677d2a714720ee3148eca5b51677833...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.222961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008118/publication.md
observed 649a840d5bc0e0d5cd007051a2cd085d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:26.204739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008118/publication.txt
observed ffd7bf6af68ffb9fb35ee36d73b26864...
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.