OpenTechnical

OT-2026-000022774

Publication integrity record

Foam pad vacuum gripper, 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-2026-000022774) never changes.

Identity and time

Publication numberOT-2026-000022774 · never reused
Internal UUID01a0ae70-46ea-71ff-a6e6-2c5917e92afa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022774
StatusPUBLIC

Content hashes

Canonical text0dccfd38efc561230eda7dfba09502a9ef6e197e6061071b33fb49780e953b68
Markdown5b46019d39c3dac91bf56d350490ed143aeaa4cd1ea3566f6bbe09595af29c41
PDF
Publication page1bf2572882a2263062c7c1f5594f98d6ba558aadd799fc3497207c55f2aa252b
Manifesta8f8c4de4918da476a290c37f8d63334b162d09d6673c1d488c704460ab97616

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
Signature/YWGiehEjQDfaucJWiIPO4LWmW8kpeyZN/SeinR2m98cH+ntGMztBQzPEmXBBCO/qY/EnNotmYVScDs0E6mGBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:17.421042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022774
observed 1bf2572882a2263062c7c1f5594f98d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:17.403694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022774/manifest.json
observed a8f8c4de4918da476a290c37f8d63334...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:17.386343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022774/publication.md
observed 5b46019d39c3dac91bf56d350490ed14...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:17.370162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022774/publication.txt
observed 0dccfd38efc561230eda7dfba09502a9...
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.