OpenTechnical

OT-2026-000080747

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, sustained blow-off 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-2026-000080747) never changes.

Identity and time

Publication numberOT-2026-000080747 · never reused
Internal UUID01a0ae96-b973-78ea-bbab-170956339a47 · 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-2026-000080747
StatusPUBLIC

Content hashes

Canonical text07c16e49c4d389854e69950efcfa58fdda35c13d8565db80e7a0bfb05bb50062
Markdown8c93003f62646028f5bcb59f2cccd906ad440cd5093be2862404f362ecbf4d50
PDF
Publication page81a87cae858a747d76ffb666259f7eb6fb848761a2273af13b099786b8a2928f
Manifest5803cf1dbeed3e29ca2b80e529828ef458abf3b93ef4692c3877b561da9e7ee4

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
SignaturexFrpljcbPqjODvoG/+6sNUGsPl61goMzJ65OAGbq6E8UfV6YI5IJzov+OtYkd1VAqiNlSCxYbP+SJPsu6gsPDQ==
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

2026-09-17T10:01:54.421758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080747
observed 81a87cae858a747d76ffb666259f7eb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.403234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080747/manifest.json
observed 5803cf1dbeed3e29ca2b80e529828ef4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.385895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080747/publication.md
observed 8c93003f62646028f5bcb59f2cccd906...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:54.368871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080747/publication.txt
observed 07c16e49c4d389854e69950efcfa58fd...
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.