OpenTechnical

OT-2026-000064804

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, 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-2026-000064804) never changes.

Identity and time

Publication numberOT-2026-000064804 · never reused
Internal UUID01a0ae8d-debb-707f-ae5b-86d62967a279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064804
StatusPUBLIC

Content hashes

Canonical texta0a1a9afa2b50c4d94331bac7e64758ae40b66294e0782bae14ac4124eb9ea85
Markdown44dc2deca3b700951b477fb80330eee54950d3796227fa9f334097fb546ee8ad
PDF
Publication pagec783fcc8697d96803f9d95b05245ce41709fd6cfb734466a7f9d93a2499cac3f
Manifest70d811982aa10ea75ab7ad0f8a096db18748ff2d9d827ea115c56d7526e9eb6d

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
SignatureZ2/RlOt+aG4/d/1Rynnwe6bKQgkYBNlWUUI8z2bfVCUlvQegWB7K7KTZXlCFCQLTQd3xISUymIJEUowmvWLRCw==
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

2026-09-17T10:35:42.331091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064804
observed c783fcc8697d96803f9d95b05245ce41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.314673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064804/manifest.json
observed 70d811982aa10ea75ab7ad0f8a096db1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.299203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064804/publication.md
observed 44dc2deca3b700951b477fb80330eee5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:42.281278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064804/publication.txt
observed a0a1a9afa2b50c4d94331bac7e64758a...
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.