OpenTechnical

OT-2026-000080555

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000080555) never changes.

Identity and time

Publication numberOT-2026-000080555 · never reused
Internal UUID01a0ae96-7e79-7913-bcf3-89250f3f5fff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080555
StatusPUBLIC

Content hashes

Canonical text3515dae9bbfba9a462ce37c734bb79e6e468d9ba897e141bbdf27eeb86fe4266
Markdown0d8fdcca6897a5241608a91f6bde24ab9f290ce3875ce06455b4356a89e9a5f3
PDF
Publication page53d57980b5ae3487a9a2975d713f9930a0ad2c7143a4045cc6b2b980372e19eb
Manifest530f9563c95d10e845ab43d5d22c59a4b8d3b652d8de63b65ca0aa68c776af80

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
SignatureUHmOjxp+7Pl/3VUvNwyf6bvOQPzqJZO7TD5cbKK4QvreQSh+iH5Fd9GQJGIAZGyN2pRLKHUQNLT7hOXY5/CDBQ==
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

2026-09-17T10:03:11.085163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080555
observed 53d57980b5ae3487a9a2975d713f9930...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.067728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080555/manifest.json
observed 530f9563c95d10e845ab43d5d22c59a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.049624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080555/publication.md
observed 0d8fdcca6897a5241608a91f6bde24ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:11.031824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080555/publication.txt
observed 3515dae9bbfba9a462ce37c734bb79e6...
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.