OpenTechnical

OT-2026-000077860

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, vented after 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-2026-000077860) never changes.

Identity and time

Publication numberOT-2026-000077860 · never reused
Internal UUID01a0ae95-2ed0-7477-a45c-43422fed4898 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077860
StatusPUBLIC

Content hashes

Canonical text35213a9e77bfe507294c27b955e155f32361e055e7408f75380adf76266b6de7
Markdown7fafa705627694b8b42deb112e317a6af4f00eea00bf6eedd560dd980527bc10
PDF
Publication page5a3a5b4385f146753984169f15254797a43eed6590ed08250a4beaee3cd9fc24
Manifest7564fa7abd6fad9144e1ecac7b8e93943f043acc16410826d3e1ff5bed2af484

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
SignaturebB3i2zw8w2GazmU0DMBtjt6AAC4857BGeYwdondgw7HsSPKDgtOboBqZvOuIIZkbqd9SLYM78HKCMuCpZxehAA==
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

2026-09-17T10:06:58.132831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077860
observed 5a3a5b4385f146753984169f15254797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.115926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077860/manifest.json
observed 7564fa7abd6fad9144e1ecac7b8e9394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.097574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077860/publication.md
observed 7fafa705627694b8b42deb112e317a6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:58.077002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077860/publication.txt
observed 35213a9e77bfe507294c27b955e155f3...
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.