OpenTechnical

OT-2026-000032504

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, 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-2026-000032504) never changes.

Identity and time

Publication numberOT-2026-000032504 · never reused
Internal UUID01a0ae75-106f-7e61-bc6e-23e653475f14 · 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-2026-000032504
StatusPUBLIC

Content hashes

Canonical text7fc5bc6065456034969e9317019393156c8e2ea1e3ba71d11c73ea4ee6861693
Markdown169ffd74317644a9dc2abe10fac5f7cafdaef33ed612ecd010b338232a163779
PDF
Publication page9aa5fbfe6c9b6c156a029d393e900748e4c0376da432ec7173ea6b3c62fccf38
Manifestbdeb4aa6178e685474a0c961266b1622f5c2e7df4cf45b800dd34429e39fe650

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
SignatureTVgRuj9a/jCaVfGYipjOsFnxbcgg1TXwZpWttN1Oav8h4B/8HSykKBkgTp4o8q0mDcQAWfvTZsx6wG3Y6KmNBw==
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

2026-09-17T11:33:56.742411ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032504
observed 9aa5fbfe6c9b6c156a029d393e900748...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.726216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032504/manifest.json
observed bdeb4aa6178e685474a0c961266b1622...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.709406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032504/publication.md
observed 169ffd74317644a9dc2abe10fac5f7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:56.693688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032504/publication.txt
observed 7fc5bc6065456034969e931701939315...
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.