OpenTechnical

OT-2026-000023646

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000023646) never changes.

Identity and time

Publication numberOT-2026-000023646 · never reused
Internal UUID01a0ae70-aed3-7c56-9c6a-e9d19e2ff9b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023646
StatusPUBLIC

Content hashes

Canonical textae6e48a4fb98e6c8a21de31fddeb5222b058badcb3c1ed1fddf6f9d94f4dc5d8
Markdown0cd4869cc74d4da2da0691763287ce447e7749994103e6b90b9f1de7a697a47c
PDF
Publication page1ef1ebd32e166cef1c2fc5466366e5d6c45fa11185f9363f6d3695017bd51e4c
Manifesta8055016e7378432e5e0ef149f252e3d42b0d07e0b19959bc07100c332d93843

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
SignatureT/ZKV+BVQPOvEsx+gXzumKK9G+NxKLvCa4VPuAAEgbizEhTxZAhaSeCFDpvvXGdWP/uTzvF12UM1pS/kmhjYBg==
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

2026-09-17T11:49:57.461396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023646
observed 1ef1ebd32e166cef1c2fc5466366e5d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.443492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023646/manifest.json
observed a8055016e7378432e5e0ef149f252e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.426629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023646/publication.md
observed 0cd4869cc74d4da2da0691763287ce44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:49:57.408022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023646/publication.txt
observed ae6e48a4fb98e6c8a21de31fddeb5222...
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.