OpenTechnical

OT-2026-000086488

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three 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-2026-000086488) never changes.

Identity and time

Publication numberOT-2026-000086488 · never reused
Internal UUID01a0ae9a-2c97-753b-9438-1938c9178a5d · 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-2026-000086488
StatusPUBLIC

Content hashes

Canonical text7190e0182a8716f7c5b82e7053ff87fa867c92b957edc5207dc5f859803058f4
Markdown5ab29ae6153dfedbf8ea633dd394f5935105730bcfb7a5f8ea942470a83050e8
PDF
Publication pagedff2c62cc84fbed6dd7a8680c16a06c27ebbff601df596b3e7186b823e45a6fd
Manifest0e9e09c50f2800014607a4abe466455a977524f6ad1bdc9978411819ebac70c9

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
SignatureA8tf/Bj8QvB33oPQB118o637USaZvItwqdatbcnomaA7wWpi1thQlmX7sdVclxgEQFmi51gpA38QPQJxEPdLCA==
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

2026-09-17T09:52:18.090396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086488
observed dff2c62cc84fbed6dd7a8680c16a06c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.073988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086488/manifest.json
observed 0e9e09c50f2800014607a4abe466455a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.055680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086488/publication.md
observed 5ab29ae6153dfedbf8ea633dd394f593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:18.038107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086488/publication.txt
observed 7190e0182a8716f7c5b82e7053ff87fa...
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.