OpenTechnical

OT-2026-000084430

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two 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-2026-000084430) never changes.

Identity and time

Publication numberOT-2026-000084430 · never reused
Internal UUID01a0ae98-5b62-75cd-9a7c-575dda1545f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084430
StatusPUBLIC

Content hashes

Canonical textbd98ee01d41b18d2890b3963e3f4b6676a27eb45fed31012fb738373e63b8f72
Markdown3c14731f5cbda284410a29ab5b52723badd2dff3d124d33979244761a283af56
PDF
Publication page3d0e550cccc75cf91ce605ff6a199b4d57e227f649128b56065f689f5861942c
Manifest13de1b19bc6a96f4087553ba8c8ad9e32f69233d756016c89ee3042885572852

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
Signatureo8tA6s2v++hxsKVEqIwhESU3OysuyZAesOvaJAiuBLpgHIYkXvn6joGc/xvns+/sJDZ9vHJVdFv60clYSMYjCg==
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

2026-09-17T09:56:22.956612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084430
observed 3d0e550cccc75cf91ce605ff6a199b4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.938262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084430/manifest.json
observed 13de1b19bc6a96f4087553ba8c8ad9e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.920947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084430/publication.md
observed 3c14731f5cbda284410a29ab5b52723b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:56:22.902211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084430/publication.txt
observed bd98ee01d41b18d2890b3963e3f4b667...
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.