OpenTechnical

OT-2026-000026905

Publication integrity record

Single cup vacuum gripper, pump fed, supply line pressure sensor, sustained blow-off before 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-2026-000026905) never changes.

Identity and time

Publication numberOT-2026-000026905 · never reused
Internal UUID01a0ae72-3452-72ad-a41b-66f6940a8540 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026905
StatusPUBLIC

Content hashes

Canonical textfaa282c29cd531885b5cfc72633930029e1c2b820a0b781e6a78254d2d5905b2
Markdowne11384f2e30eed1e9eecf96a7087c103f28dfef70325ab2c26a6343416c6469e
PDF
Publication page0e028930b301611445fd7b2966b3defdc44daccea9fdf98cd429d61bbf98c814
Manifest022eb822022e0e72972c0af75326951f250bb2c92f344fc681646249fb534b46

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
Signaturec9iowKa4D+HyKbhWKAwOOiu2GNnH2uoK/+BwLqbnlcKuDyVxoUHMEdQG/h38lfNERai7x1oRJkPVQ+A/0dvXAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:30.983689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026905
observed 0e028930b301611445fd7b2966b3defd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.964906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026905/manifest.json
observed 022eb822022e0e72972c0af75326951f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.947737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026905/publication.md
observed e11384f2e30eed1e9eecf96a7087c103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:30.930961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026905/publication.txt
observed faa282c29cd531885b5cfc7263393002...
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.