OpenTechnical

OT-2026-000031280

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000031280) never changes.

Identity and time

Publication numberOT-2026-000031280 · never reused
Internal UUID01a0ae74-87ac-7af8-b508-e2e32f6d5eab · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031280
StatusPUBLIC

Content hashes

Canonical text023f41822cf03856e751eef328af5d4103458653f7d49cb464c7491d6d6504e2
Markdown48d66509282f429c79958a2406fc72c4c7de778aa349596db2a6df59118a07c8
PDF
Publication page044b29adb1d995532feb3bdd3b2554bff9b425d557ae71522a2056248f5faafd
Manifest80eb5b164a6f118c43c652e8e3db25af4a42416a5903dcf6e12880f5c48a44ef

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
Signaturea3XSbnLJ7aJwBEDCLnSpuLiX7lNsclMV44frHQg5K84BYTiFOgNfh7t0lDq8VKIVFR/pY845e4gaF7m4rByHAQ==
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

2026-09-17T11:35:51.740638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031280
observed 044b29adb1d995532feb3bdd3b2554bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.723437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031280/manifest.json
observed 80eb5b164a6f118c43c652e8e3db25af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.704854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031280/publication.md
observed 48d66509282f429c79958a2406fc72c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:51.684161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031280/publication.txt
observed 023f41822cf03856e751eef328af5d41...
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.