OpenTechnical

OT-2026-000072780

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, vented 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-2026-000072780) never changes.

Identity and time

Publication numberOT-2026-000072780 · never reused
Internal UUID01a0ae92-89da-7753-8888-a13ee1e3f605 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072780
StatusPUBLIC

Content hashes

Canonical textd8a6fcce384f283bc2c2c135cd2e756ea8c21b18b2f0fa5aea07f5890078d744
Markdown48d1fe94580d73314c969b717ab7bef56e597dba0bed322eaee80559d96b4779
PDF
Publication page0e6edc416bff469f559ee365f49b2420ac64bdfb562209d4ecf4c09bcbaa3703
Manifestea26ae02c1784e3e59ab13b9de3770fbb9de78d4e0a13e1289bc779fbd04af07

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
SignatureGqHwIzWsY92CHEiyC/vLfXMJLjwFyDYbzGHSudWbuz4b3C6MkPxXCpzjvAbZ3vQ4u9qhXePG+E98vBVWZyc9Cg==
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

2026-09-17T10:22:40.684334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072780
observed 0e6edc416bff469f559ee365f49b2420...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.668076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072780/manifest.json
observed ea26ae02c1784e3e59ab13b9de3770fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.649216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072780/publication.md
observed 48d1fe94580d73314c969b717ab7bef5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:40.632436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072780/publication.txt
observed d8a6fcce384f283bc2c2c135cd2e756e...
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.