OpenTechnical

OT-2026-000089939

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, single stage ejector, manifold 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-2026-000089939) never changes.

Identity and time

Publication numberOT-2026-000089939 · never reused
Internal UUID01a0ae9c-428d-7963-9cca-2405b027e29e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089939
StatusPUBLIC

Content hashes

Canonical textcb912ef7d9a4aa911bc3879ac8c96747e99f850b0ceabeef0f2431807caff960
Markdown4a7d799e3f2e0b7f3be60f4435add025caaf0935b103b343300853dcef7edc36
PDF
Publication pagee58749be6df8142eefc8fdb96df4709f103134aa90ab97c60d9a7f14791d2b9f
Manifest211d4ccc3c8a6f09dc5dc33de490c839b4389220f02933ce95e27ee56139119e

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
SignatureaqrE849rrG1ufVts8G5zkK5fpN/PYTAF/TkLmclusbGXOq/gqeOMdPDCybPEniv5TslBtjw/iRqOWukRn5IoAg==
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

2026-09-17T09:45:18.928786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089939
observed e58749be6df8142eefc8fdb96df4709f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:18.909683ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089939/manifest.json
observed 211d4ccc3c8a6f09dc5dc33de490c839...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:18.889006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089939/publication.md
observed 4a7d799e3f2e0b7f3be60f4435add025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:18.869816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089939/publication.txt
observed cb912ef7d9a4aa911bc3879ac8c96747...
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.