OpenTechnical

OT-2026-000011819

Publication integrity record

Single bellows cup vacuum gripper, 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-2026-000011819) never changes.

Identity and time

Publication numberOT-2026-000011819 · never reused
Internal UUID01a0ae6d-1941-7ac1-a963-e36ead89c9ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011819
StatusPUBLIC

Content hashes

Canonical text4059b82d1687f447f5acbea9d6f7dd402aceff96f6fca2d6770e06948086507e
Markdown63c9b6caea6c32b61183c9ebbca2c5eafc889225a241f3fafadc09ea9ee02b47
PDF
Publication page4981276759ff7b9339f15d2fef98dc1b5556ab0c99697c80cf93113f7d9e953d
Manifest6cf0bd6ff822d879055cf0503f6194847fcad5746d54b01ddbaef3ceda9af94f

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
Signature5UQvhCxrqx4+BA7Tsc3HCfiT/6ydPXMVwksKQlRmf0ezc1wPnCMC9FxLrz9aBtXSar1m06+s9VOPtJBkINseAg==
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

2026-09-17T12:12:33.033309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011819
observed 4981276759ff7b9339f15d2fef98dc1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:33.015458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011819/manifest.json
observed 6cf0bd6ff822d879055cf0503f619484...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.997276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011819/publication.md
observed 63c9b6caea6c32b61183c9ebbca2c5ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:32.980322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011819/publication.txt
observed 4059b82d1687f447f5acbea9d6f7dd40...
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.