OpenTechnical

OT-2026-000101289

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000101289) never changes.

Identity and time

Publication numberOT-2026-000101289 · never reused
Internal UUID01a0aea3-c379-767a-b4be-d9e327d89cc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101289
StatusPUBLIC

Content hashes

Canonical textcdf91665251b08d3a9feb446b94d1aecc3a02e08bd8033f44339b3c5b57e7f51
Markdown78fc78fda0c1dd5673ec753e229dc139f9b7aa893f10b9d4ea19238913ec7725
PDF
Publication pageb60fad4d873a0b4739ef246e99be3f6a6c81c844fd72d260e51638afcf496263
Manifest942517b6d7853ac9de40656ba2bf39660928975c4b17a2807d5bae0ab493566e

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
SignatureBw0lA9YdRKGyUErJh3TvM9VYFAWjspWGjDYM1SfttIOvincGGdbrTqrpMsRmEQtkjqpamdHT+JCixKiF5q0ODw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:58.264235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101289
observed b60fad4d873a0b4739ef246e99be3f6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:58.246716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101289/manifest.json
observed 942517b6d7853ac9de40656ba2bf3966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:58.227978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101289/publication.md
observed 78fc78fda0c1dd5673ec753e229dc139...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:58.210499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101289/publication.txt
observed cdf91665251b08d3a9feb446b94d1aec...
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.