OpenTechnical

OT-2026-000073530

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, three stage ejector, manifold 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-2026-000073530) never changes.

Identity and time

Publication numberOT-2026-000073530 · never reused
Internal UUID01a0ae92-efb9-792b-ae45-ad3ebf992430 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073530
StatusPUBLIC

Content hashes

Canonical textc7ef8941aba9273104f922cb3d1a58f119cb25412ec3ca280a8c6b1e0e8aa7f9
Markdown57e9d3e4a459ed0e50a677fede2fd87a105ef96ebb9b9ecffa8dc6b9b333a248
PDF
Publication page5b9c150c895691e59b4eb2cfda1de608db9045bbf4e3f20e9f758f18ee45b76b
Manifest3fb28d466830fa0346ca7617cf6e2b4e6b9ebce7ce5c0b4b513f2c3c7eb4ee85

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
SignaturefEO7t0VMxnTPZxbxF1wn/YvU3+pv7wDLf9+/uf2SZALIAFl8za+1oG5Kq5GHhjkCBZt2cNA9uRN4vmT+NFjYDw==
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

2026-09-17T10:21:42.082309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073530
observed 5b9c150c895691e59b4eb2cfda1de608...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.065900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073530/manifest.json
observed 3fb28d466830fa0346ca7617cf6e2b4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.047718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073530/publication.md
observed 57e9d3e4a459ed0e50a677fede2fd87a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:42.030179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073530/publication.txt
observed c7ef8941aba9273104f922cb3d1a58f1...
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.