OpenTechnical

OT-2026-000009493

Publication integrity record

Single cup vacuum gripper, common isolation valve, two stage ejector, sustained blow-off 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-2026-000009493) never changes.

Identity and time

Publication numberOT-2026-000009493 · never reused
Internal UUID01a0ae6b-7562-7472-aff6-b4978e4487e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009493
StatusPUBLIC

Content hashes

Canonical text5d8321ed322dea723866428eca5b70b9e2abe2e076d44ee74e3e5c8136333cc7
Markdowndb63ddb6e8e9cbba69099acafd2e834f288bdd4e89b77993a24ac4cdd6aeac6a
PDF
Publication pagee233acc8ed490f69a0569f6508f4870b20cddf7c2744bd5818c8039e06c0d37c
Manifestfbda594c8887965798e24da85cc1bbbd88609ea0267017b2c59b434effee17d6

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
SignaturexhTmSJOFojSWbtq7RnUH/Wtq/ZAbCV8SHYfq4jZXCFRaP8GzjTERHoZpXXoIu0Y680Sc296BY53i7p82/Mt/Aw==
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

2026-09-17T12:16:53.794222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009493
observed e233acc8ed490f69a0569f6508f4870b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.774146ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009493/manifest.json
observed fbda594c8887965798e24da85cc1bbbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.753509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009493/publication.md
observed db63ddb6e8e9cbba69099acafd2e834f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:16:53.732590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009493/publication.txt
observed 5d8321ed322dea723866428eca5b70b9...
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.