OpenTechnical

OT-2026-000062688

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000062688) never changes.

Identity and time

Publication numberOT-2026-000062688 · never reused
Internal UUID01a0ae8c-6388-7f83-91ea-bfbff39c39a1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:47:11.271900Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000062688
StatusPUBLIC

Content hashes

Canonical text1219a29465654cb7971ebb8b8bbfa06528014063a81bf046f0249545e2fb37bb
Markdown5098ff2bd11211549e444ca3f28684c2470493ee538b7484f8db92a03e415472
PDF
Publication page7f82b8ba2190b1c4944b71b975e9e0186ab07416ff182d8aadd4b016d659799f
Manifestc0de748812748987db9d5b2764158e27f2ae0a25d79e3a786d0d344fe15e42a1

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
SignaturePDprzbTMzgPKzMgjasvB/ysUNGvkMneri7jvwtkLLufTYBP1rVBOq7g5MUUgHHot0lV2YsivNbiM1RrOAOraBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:39:14.886735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062688
observed 7f82b8ba2190b1c4944b71b975e9e018...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:14.868327ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062688/manifest.json
observed c0de748812748987db9d5b2764158e27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:14.850924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062688/publication.md
observed 5098ff2bd11211549e444ca3f28684c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:39:14.834478ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000062688/publication.txt
observed 1219a29465654cb7971ebb8b8bbfa065...
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.