OpenTechnical

OT-2026-000041646

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, single 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-2026-000041646) never changes.

Identity and time

Publication numberOT-2026-000041646 · never reused
Internal UUID01a0ae79-e8a0-7bcc-ae32-aeb1743d9caf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041646
StatusPUBLIC

Content hashes

Canonical text863b5ea22a3c81407d1967cb3048ae62a4dcb1273fd302fd1c62e9805c1a2cdb
Markdownfb857526be6cd56ce21d646e66eacf7b37e8aa2449f0102742c286a57e6eeaf1
PDF
Publication page4c69a192bf0e3b98f7b2ca7538cfc7c3ade9823051c90bbafcd378229e040329
Manifest0cc0c54f583b3cdea2adebbcae299f9e28c3b2e427b6ee1849dde364d7e1b9bd

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
Signatureg/9AQv/zWV1HnUEP33KasGQSmWNFOMbWDXys2zgN8hnXoIK75OhepVAYq39FPatd8jTtrLbjBp40tzcWSEBQBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:16:26.873747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041646
observed 4c69a192bf0e3b98f7b2ca7538cfc7c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.856415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041646/manifest.json
observed 0cc0c54f583b3cdea2adebbcae299f9e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.838142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041646/publication.md
observed fb857526be6cd56ce21d646e66eacf7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:26.821875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041646/publication.txt
observed 863b5ea22a3c81407d1967cb3048ae62...
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.