OpenTechnical

OT-2026-000081009

Publication integrity record

Foam pad vacuum gripper, three 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-2026-000081009) never changes.

Identity and time

Publication numberOT-2026-000081009 · never reused
Internal UUID01a0ae96-b976-7919-be4c-e361ece230ff · 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-2026-000081009
StatusPUBLIC

Content hashes

Canonical text45c763cdf34248c84e665f700be94c5d173f5360a05320ba551077ac539d7348
Markdown13783f28f9f487f2af7ad6e147bf73cee8c8caff9f83df939072f2bfbb0b8754
PDF
Publication paged3b09202f37b7c9c758e4bd9a3e30d7cad5ed67bb068357c0d991b1b4150667c
Manifesta08bbf6a01182c5b890f5bc0563ac64590ae17ba4fcac1983c4c2c7d21bec778

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
SignaturenXyedQDXnvJIYFLrd+NKNThnoWLr+6QkIg4ltAPmQjurriOMiuJP8RVsur2+RWPRMFzQsn0c815aNolqWqx+AA==
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

2026-09-17T10:02:17.838184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081009
observed d3b09202f37b7c9c758e4bd9a3e30d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.819654ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081009/manifest.json
observed a08bbf6a01182c5b890f5bc0563ac645...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.800272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081009/publication.md
observed 13783f28f9f487f2af7ad6e147bf73ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.782085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081009/publication.txt
observed 45c763cdf34248c84e665f700be94c5d...
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.