OpenTechnical

OT-2026-000081345

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000081345) never changes.

Identity and time

Publication numberOT-2026-000081345 · never reused
Internal UUID01a0ae96-f374-773a-91be-5a757469c48c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081345
StatusPUBLIC

Content hashes

Canonical text530832e7fb7d90c1d70d123e9af02248bb98cf638e6966bc76bb8c748458a4a5
Markdowndce565d8f5a58ad4265c5aa8eebd77a80074130e469b54843ac2a063445dc946
PDF
Publication page6d5176ac0bf1cc5289ab52b17f18354ecd9cdf4067d980f6f4dc66affc625485
Manifestcffc6363fe5e7fbf6c35837c654f19a882fc1dc1a5ef3678b45a47f6754b8b1c

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
Signaturef171a/8SQD0tv1/eFqJzvIOmdh1+xvVDZgQuAcjvd+JJz/WgIarXNxoxWUy7s2khO//0JxAURYMBJQL1W+pQAA==
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

2026-09-17T10:01:28.324378ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081345
observed 6d5176ac0bf1cc5289ab52b17f18354e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.307336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081345/manifest.json
observed cffc6363fe5e7fbf6c35837c654f19a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.290189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081345/publication.md
observed dce565d8f5a58ad4265c5aa8eebd77a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:28.272406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081345/publication.txt
observed 530832e7fb7d90c1d70d123e9af02248...
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.