OpenTechnical

OT-2026-000059893

Publication integrity record

Four cup vacuum gripper, four outlet manifold, single stage ejector, vented 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-2026-000059893) never changes.

Identity and time

Publication numberOT-2026-000059893 · never reused
Internal UUID01a0ae89-ec26-79e2-bef9-74e43a09c062 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059893
StatusPUBLIC

Content hashes

Canonical texte8dd8d65644e2db914a87eb2ed8616fce81f028331d3d495190d9b2e595ec1ca
Markdownb891b311a1a284637dd19e698e207221f564dda8c9ad3661d413528729f703f3
PDF
Publication page0c9ea3e8f9466bcf12b365a31f0d75c6b04e5cb59d18a3f2870b088acfa0a7f1
Manifest381fd8b44d71224f93b97f359ea30bcbe9cf6dd1e2e37b07908ed4fd9941a08b

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
SignatureogVUxd6z5RYRkxzl4sC+qB/frtFbgfyrx7+6qaYjWFpZ9ig7JXaBf7JAIGx0BcUpfeO11mTxwH6I2Oo6aK5xBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:44:39.220247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059893
observed 0c9ea3e8f9466bcf12b365a31f0d75c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.201476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059893/manifest.json
observed 381fd8b44d71224f93b97f359ea30bcb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.182599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059893/publication.md
observed b891b311a1a284637dd19e698e207221...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:39.164200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059893/publication.txt
observed e8dd8d65644e2db914a87eb2ed8616fc...
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.