OpenTechnical

OT-2026-000088049

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088049) never changes.

Identity and time

Publication numberOT-2026-000088049 · never reused
Internal UUID01a0ae9b-1aa7-70ff-a0b9-e305b8723063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088049
StatusPUBLIC

Content hashes

Canonical textfa374b164711469b5814e6167f9b56bb5770c0905e5ee4d2f250607f51c63bea
Markdown03855ab9f8dc88d99d1245541aa54ede53c8710aae38b52716557b0bac351d4e
PDF
Publication pagee50b1a1fb46135ba03cee5634d978ca98c32a73ac04537b9476134d36dffb59b
Manifestae71956e20068bd2f502a9d15648fcc529807e4b9df43773d8db93e84c09e978

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
Signature/urEtseeFjSwAxYCQ2bzhGoAF4SQhE5mc2P/hI1xf4SeZOszk+c/BlUdGyH92RIWHUCioLidcslfFHUlHmNPDQ==
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

2026-09-17T09:49:26.715049ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088049
observed e50b1a1fb46135ba03cee5634d978ca9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.696172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088049/manifest.json
observed ae71956e20068bd2f502a9d15648fcc5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.678771ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088049/publication.md
observed 03855ab9f8dc88d99d1245541aa54ede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.662134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088049/publication.txt
observed fa374b164711469b5814e6167f9b56bb...
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.