OpenTechnical

OT-2026-000012409

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, pulsed blow-off before set-down

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-2026-000012409) never changes.

Identity and time

Publication numberOT-2026-000012409 · never reused
Internal UUID01a0ae6d-39f6-72ca-a2ac-6605155ca61b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012409
StatusPUBLIC

Content hashes

Canonical text6c1d38fb8dd16aec541fa527206890a2efcd285c97db5ff7784a724bca5f8e5f
Markdown9e6f16fc92e79a85be1171ce6e00bdd7385f2551e77ec6185cf0ebb291e210aa
PDF
Publication page46069d0b6630a3804da83a3073c7c5ea57309ad83c7dbb01bb843c4a4d3fe458
Manifest474351c053b3738c510262f115eb70eb9662ea5b7ab8846b4e0a0947a64007da

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
Signature3KqfQRmrFgZyMBjVhCcr3P6C6kr1FdSmCXkvRX3WmHHR2vFSc70JoI0yEOACYGTEA4UDJXHKXIQj6GUhSX83Aw==
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

2026-09-17T12:11:54.174090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012409
observed 46069d0b6630a3804da83a3073c7c5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.157660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012409/manifest.json
observed 474351c053b3738c510262f115eb70eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.140038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012409/publication.md
observed 9e6f16fc92e79a85be1171ce6e00bdd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:54.121108ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012409/publication.txt
observed 6c1d38fb8dd16aec541fa527206890a2...
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.