OpenTechnical

OT-2026-000102039

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pulsed blow-off 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-2026-000102039) never changes.

Identity and time

Publication numberOT-2026-000102039 · never reused
Internal UUID01a0aea4-50f2-7548-b0af-9c8d4904a616 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102039
StatusPUBLIC

Content hashes

Canonical textcda3a8b84548a0a96bff1a7c7e626bc2f19b3539d3d933b96e2cf18b3ffe09db
Markdown97dfdffc60f3e25b894784fd543879dd797d94a9ddd19c3af65f2518c1988591
PDF
Publication pagecbbc408b7f3af7f8930008112d340e76e0e6fd775a333049088552028207ac29
Manifest1ebafcc32f542500b16d086d02c5ad87ca5881cd5b65315950a946a00709095a

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
SignatureuWG0mkyekL80U17XUIzMMIcw1fGvs7k3kaBhHx1rEe5TBiauiOw5Eg9s591UJ0XxuDy+gdZnLnEBnzgJvs6/AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:10.611821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102039
observed cbbc408b7f3af7f8930008112d340e76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.593598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102039/manifest.json
observed 1ebafcc32f542500b16d086d02c5ad87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.576603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102039/publication.md
observed 97dfdffc60f3e25b894784fd543879dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:10.559116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102039/publication.txt
observed cda3a8b84548a0a96bff1a7c7e626bc2...
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.