OpenTechnical

OT-2026-000027013

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold 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-2026-000027013) never changes.

Identity and time

Publication numberOT-2026-000027013 · never reused
Internal UUID01a0ae72-3453-78d2-88a6-c3aff26705c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027013
StatusPUBLIC

Content hashes

Canonical text717f257b6b7e1a98264a57f9f94c20652955575d54e5ad7ea8dc285c4de43bb8
Markdown463dacfe7c0634a444524ceac18874c832ddd71c69fd7b7420f8965269d9e009
PDF
Publication pagead357db750a4f6c06fbe2fece3927251b5d61ab7f2952d95743d95a3ad7e667e
Manifest210f0b7b5bd5026344e770189b383ed764537958b2f97abb1e1ab2ca55902489

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
SignatureyuDp64dgfwjuXmQO84mNJBAKRiGFCBTKmsoxZ1InKLxVEstxWWhSUuZ31UXKK0Vfc69uyobHuWIr2VoHxZZ4DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:43:45.704618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027013
observed ad357db750a4f6c06fbe2fece3927251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.687666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027013/manifest.json
observed 210f0b7b5bd5026344e770189b383ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.670612ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027013/publication.md
observed 463dacfe7c0634a444524ceac18874c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:45.652602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027013/publication.txt
observed 717f257b6b7e1a98264a57f9f94c2065...
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.