OpenTechnical

OT-2026-000032593

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, pulsed blow-off after 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-2026-000032593) never changes.

Identity and time

Publication numberOT-2026-000032593 · never reused
Internal UUID01a0ae75-1070-74df-ab0a-9172e6b9ac5c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032593
StatusPUBLIC

Content hashes

Canonical text320ad303c4bdce2c04073550757c90a2dc46c45eeed1db87f7e9a7d83b1ab09a
Markdown167e7c3be288c736151f2307135ec0e5caf3081be0456c59e2eda0b652693ae7
PDF
Publication page62862939ee7247c5cc015ebbc05a42182048c445adef8576a054e3e18d94483e
Manifest2ff92b07e825ddc5e30e645eded3574cfbb0d4fed6aa10b35a6054db08caec86

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
Signature51A3Jwale5oANFMGaPvU8IzzRIo8zFa1E1m8r84Ilqx8KMfuUNtE7cAGCSVt6z7fTBBwXfLzvAwD5Jg8cWApAA==
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

2026-09-17T11:34:10.361193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032593
observed 62862939ee7247c5cc015ebbc05a4218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.344923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032593/manifest.json
observed 2ff92b07e825ddc5e30e645eded3574c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.328611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032593/publication.md
observed 167e7c3be288c736151f2307135ec0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:10.312382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032593/publication.txt
observed 320ad303c4bdce2c04073550757c90a2...
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.