OpenTechnical

OT-2026-000064544

Publication integrity record

Single bellows cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000064544) never changes.

Identity and time

Publication numberOT-2026-000064544 · never reused
Internal UUID01a0ae8d-a462-7b00-9308-de0a669618d4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064544
StatusPUBLIC

Content hashes

Canonical text87f34e2c86f3e73860c9cf3816bbe2c10b09f48e41e99b4b65fed52c59364351
Markdown6c828b75593b81a2bc97715433f33a5a376f3ef6780462850fec83b08a29dd74
PDF
Publication paged814ce6ba445f04efda56f56027326fd990d2b139355b6235b80badf3ce2c819
Manifest03c02a032cb4373051a82f2f59e9639e779d58e5068b749f7a7e1bdf55231c45

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
SignatureWcIiEhfc8tQFpTQQtemU5awn0B+mJrFJWJewT2oyOUQhQo2cj4TCAZzoJfbfu8pko66VKzuZ9nNvc17wtH2BCA==
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

2026-09-17T10:36:45.713014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064544
observed d814ce6ba445f04efda56f56027326fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.695775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064544/manifest.json
observed 03c02a032cb4373051a82f2f59e9639e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.677320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064544/publication.md
observed 6c828b75593b81a2bc97715433f33a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:45.657993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064544/publication.txt
observed 87f34e2c86f3e73860c9cf3816bbe2c1...
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.