OpenTechnical

OT-2026-000101028

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000101028) never changes.

Identity and time

Publication numberOT-2026-000101028 · never reused
Internal UUID01a0aea3-c377-7537-b877-c81d70905d07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000101028
StatusPUBLIC

Content hashes

Canonical textdb5613bfcd161291fed774d2338b16f5dd59befdc4a6ef15b3ca2fd8be3f435c
Markdown70a8a111324a4ea907a6404aef00ce268c20bbaab7c2a4beedd10a775399c5d8
PDF
Publication pagea802eab299d906a2f8f2cfd692d93624a73a0ce7e351eb61a7fde7db1be68198
Manifestb2fa3d29e6896d563655f30a9a7a1d3d0bb8a83ef7c95caf074fcdeff7094fe9

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
SignaturePBMGI1nwvZKBbJQlMKwDdHXb91HD3UnnbzWknTf94URLOOvBxHRbgCd8yHH9frALD1jdJ6zj/V44Vue88TObCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:38.104918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101028
observed a802eab299d906a2f8f2cfd692d93624...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.087265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101028/manifest.json
observed b2fa3d29e6896d563655f30a9a7a1d3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.069392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101028/publication.md
observed 70a8a111324a4ea907a6404aef00ce26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:38.051694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000101028/publication.txt
observed db5613bfcd161291fed774d2338b16f5...
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.