OpenTechnical

OT-2026-000079761

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, 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-2026-000079761) never changes.

Identity and time

Publication numberOT-2026-000079761 · never reused
Internal UUID01a0ae96-4375-70c2-ae1e-2270ce4e2f86 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079761
StatusPUBLIC

Content hashes

Canonical text09a9a98461144d43ba2dd110d03c3ea5bd5d94afdd43057686982613928ed3e0
Markdown072c5bfda987b33bcf81a2b3cd663b889b96f142f316c7468be28cfc512cd34d
PDF
Publication page877fd64c90f29f1f14610618b129737b131a4fa35492783b3c566e32c111eb20
Manifest20abd2d29450e8494c4690188862209ad8e7a3e7df5460f91dd1255e2c4573d6

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
Signature1hVq7TDLSFb0lAQf7+qwFC/vicf1eNnhDMWpUiol+r0GCmZwSdVGI/0l78xxFmeiLEFdka9r2Y906ZwuBQkVBQ==
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

2026-09-17T10:03:37.870587ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079761
observed 877fd64c90f29f1f14610618b129737b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.852144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079761/manifest.json
observed 20abd2d29450e8494c4690188862209a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.834116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079761/publication.md
observed 072c5bfda987b33bcf81a2b3cd663b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.815183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079761/publication.txt
observed 09a9a98461144d43ba2dd110d03c3ea5...
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.