OpenTechnical

OT-2026-000083627

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, sustained blow-off before 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-2026-000083627) never changes.

Identity and time

Publication numberOT-2026-000083627 · never reused
Internal UUID01a0ae98-0416-7a03-96b0-a70835e6ffc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083627
StatusPUBLIC

Content hashes

Canonical text870658a26f47005133578a3cab3e650ebf31a103ab48438440090377da2c1a57
Markdowna73a995d09f760894c3a1443b0c430908b5a8774a6b0cb5112645031f917361a
PDF
Publication pagef24c7cf19ad9a5c151af283f77b0ee5bc763d1c203af125b1a7855cb5a13b965
Manifest704c00deea6e1376eea6ee81358c6fb2583ff739e9e903de84f3ef5dd1534683

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
SignaturejBKTJ95/at9k+UTxyl+Xz0CgfNYC7kwA5v2n23HdtaqUOQwd86wgtEu3pMPT+kdJegBhgSsj6UrwHwjK/YtlBQ==
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

2026-09-17T09:57:14.299227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083627
observed f24c7cf19ad9a5c151af283f77b0ee5b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.282051ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083627/manifest.json
observed 704c00deea6e1376eea6ee81358c6fb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.264720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083627/publication.md
observed a73a995d09f760894c3a1443b0c43090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:14.246437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083627/publication.txt
observed 870658a26f47005133578a3cab3e650e...
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.