OpenTechnical

OT-2026-000088669

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000088669) never changes.

Identity and time

Publication numberOT-2026-000088669 · never reused
Internal UUID01a0ae9b-8f0f-7fb8-904b-b289b39a1c26 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088669
StatusPUBLIC

Content hashes

Canonical textf5ba91f7f53257858359082ec5e2163494c6d6dffd97bfde28e82b5662f1f796
Markdownceb3d267ed437c2d5cef569d6ef61b11d1f1d445ed42efc214d00cb9b7dc66c9
PDF
Publication page0b9157cc19fbc740148e30cbc478580b94bbb26bc86742b02ce04d09edeb4077
Manifest0a24a9143b5357f2e8a04190b93bd4f525e2c1545f7776871f18e3439f6c2ae2

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
Signature5i1XAg3kuGrtwZZd8ikxb5Ma8GT/Et9asr018Ccdmx/mPaeWggUuat2RN6M0CToN3+Ho2bIvY2P1jkMAxkjSBQ==
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

2026-09-17T09:47:53.800181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088669
observed 0b9157cc19fbc740148e30cbc478580b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.782937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088669/manifest.json
observed 0a24a9143b5357f2e8a04190b93bd4f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.764126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088669/publication.md
observed ceb3d267ed437c2d5cef569d6ef61b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:53.748181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088669/publication.txt
observed f5ba91f7f53257858359082ec5e21634...
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.