OpenTechnical

OT-2026-000068729

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000068729) never changes.

Identity and time

Publication numberOT-2026-000068729 · never reused
Internal UUID01a0ae90-6dca-782d-9666-aa38d6573be3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068729
StatusPUBLIC

Content hashes

Canonical textc4728308a7f42c621445c2eb60cd6fb6bae5c8ab28315a5d541a0ef0ff67c44b
Markdownffcb9d70e47aa2e960efc6af0e2824653e1407e28df08c25da8d6c9e774f006e
PDF
Publication page71318f2ef327a2894fa87c32f928bf860ed8c1619bea7e92db42874d6f79ec78
Manifestae6b31349d545ab17ef190a019eec16f391b317890a26d41f5b629224cafdd02

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
Signaturevj/DcxJfwstKtv7fSYk+57/vo7GzALn6sEQVY4j+q41/CJ24rzMk5sW8QRa5w3UGZu/LkPmXmovFgc7x/AmYDg==
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

2026-09-17T10:28:30.264101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068729
observed 71318f2ef327a2894fa87c32f928bf86...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.247434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068729/manifest.json
observed ae6b31349d545ab17ef190a019eec16f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.230384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068729/publication.md
observed ffcb9d70e47aa2e960efc6af0e282465...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.212537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068729/publication.txt
observed c4728308a7f42c621445c2eb60cd6fb6...
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.