OpenTechnical

OT-2026-000005682

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, four outlet manifold, plant vacuum fed, plastic cups

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-2026-000005682) never changes.

Identity and time

Publication numberOT-2026-000005682 · never reused
Internal UUID01a0a941-4256-7a11-8843-75db8aca72cf · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:01.464650Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005682
StatusPUBLIC

Content hashes

Canonical text3a228819f4ee4fc2937373a16a399338b03e11819726529321e4db0562f1728b
Markdown14e7317541561e7f35fcaee06d6bd0c8bb80dbc60c9a44572f25f9c95c9737e9
PDF
Publication pageed82663b9b298fac044d0d37d81c72c1c7c4809b4d3a8c8e2d32fbf6540765db
Manifest73934539d142fe2edf0003f744fd521811026a5f5f9c053ea4e1f35a4d10111e

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
SignatureZIeanMT7rXtkXCkS/7XOguaVWzFxeqbaPR1E4k1g7sO546f142cDmm0sBMXyxuPDbV29Wsfk1Nh2XseEhEcSBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:12.395278ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005682
observed ed82663b9b298fac044d0d37d81c72c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.380986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005682/manifest.json
observed 73934539d142fe2edf0003f744fd5218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.241817ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005682/publication.md
observed 14e7317541561e7f35fcaee06d6bd0c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:12.225235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005682/publication.txt
observed 3a228819f4ee4fc2937373a16a399338...
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.