OpenTechnical

OT-2026-000060990

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, two stage ejector, vented after set-down, on a tool changer

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-2026-000060990) never changes.

Identity and time

Publication numberOT-2026-000060990 · never reused
Internal UUID01a0ae8b-12f3-7dd2-93c6-6074467a380e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060990
StatusPUBLIC

Content hashes

Canonical textffcf7b8f3d5f5aeea2105a411e8bba36c930600657adea64abd0ea113c295c2f
Markdownf34fb6b0ea1fd3493b1adcfa23452efbae0d49b3696e9f30d1da21ab755dabbd
PDF
Publication page8282f850f91f3a41810ba7dbf122aa92533d868c2e0dc88721bafea8c9f2bcf4
Manifest6db1515ba7a90ffd643f0703c144e17205b253d3438f3331ea4b95d1e6dc7c70

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
SignaturevbqQPsSXBrjpUPsYh2PMzO61CMgRhP27JoCkQyszFXwHCWeMdLd/zACcBkaAUBVwPWzPZqlNQ/5fREkbkAAXAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:16.629702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060990
observed 8282f850f91f3a41810ba7dbf122aa92...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.614054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060990/manifest.json
observed 6db1515ba7a90ffd643f0703c144e172...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.597114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060990/publication.md
observed f34fb6b0ea1fd3493b1adcfa23452efb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:16.579198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060990/publication.txt
observed ffcf7b8f3d5f5aeea2105a411e8bba36...
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.