OpenTechnical

OT-2026-000040687

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000040687) never changes.

Identity and time

Publication numberOT-2026-000040687 · never reused
Internal UUID01a0ae79-6d0f-7a72-a226-208509c00c8b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:28.516236Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040687
StatusPUBLIC

Content hashes

Canonical text4136f03f1e8a761deae0e20ba55ed7678c6c6196e82f7576af1f30aa7980dc97
Markdown43ae9541b26ce1abd8d9903040aec88b8120e5c4af6e71f7195b5050c400b303
PDF
Publication page02f46643ab3bb0d4d9f168b874ddb3c189bffd17024747156fa6e457f8098cf9
Manifest8d6e9cdef31063bfc82f622c0a8b5d3652f6cb9b8b971087e8f443d82c5969eb

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
SignatureG18BtpBvVXB1nIUA8eoTy54P2mEOwvkXygTDRnNMgLMOr5pgwf/GiQLU210u4QnQuHe9olXE1JJFeEDzYenTAA==
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

2026-09-17T11:17:53.001732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040687
observed 02f46643ab3bb0d4d9f168b874ddb3c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.983405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040687/manifest.json
observed 8d6e9cdef31063bfc82f622c0a8b5d36...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.963706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040687/publication.md
observed 43ae9541b26ce1abd8d9903040aec88b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:17:52.921423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040687/publication.txt
observed 4136f03f1e8a761deae0e20ba55ed767...
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.