OpenTechnical

OT-2026-000086526

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, sustained blow-off before 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-2026-000086526) never changes.

Identity and time

Publication numberOT-2026-000086526 · never reused
Internal UUID01a0ae9a-2c98-72e4-8bb4-21d57b489a52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086526
StatusPUBLIC

Content hashes

Canonical text1d83f59e364ff805b83a9ac666e2bb9f9bce57ff89947f8eadaca0f18089e320
Markdown8605c58c27148e581c29ab6a2ba15d8d8d859402dc3f932826fb0d887d38d369
PDF
Publication page53fd0101e0753f1321c94538266e01acb347e2f391bce7c9dca3eaa61ebf80a4
Manifestd870a167bc795d44bb31b644380e2e6bdf0a5fa1ad1d7d1ce0282fe2b0f6bf4f

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
SignatureijpE/N476DHgO4aGo/66Ui2myeP4cNmXpMRduj18XZ1jgtkX9RQ40BxZsxmCBNA2YElEeZI/gfcs7JuRkMUQDg==
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

2026-09-17T09:52:20.922376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086526
observed 53fd0101e0753f1321c94538266e01ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.904661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086526/manifest.json
observed d870a167bc795d44bb31b644380e2e6b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.887506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086526/publication.md
observed 8605c58c27148e581c29ab6a2ba15d8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:20.868192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086526/publication.txt
observed 1d83f59e364ff805b83a9ac666e2bb9f...
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.