OpenTechnical

OT-2026-000069742

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000069742) never changes.

Identity and time

Publication numberOT-2026-000069742 · never reused
Internal UUID01a0ae91-185f-7043-9c88-aaaceca9af18 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069742
StatusPUBLIC

Content hashes

Canonical text265ee81f79352c7c2948b96aca6b837affe18162376b37b40cdf62df27449c74
Markdown14d5a6a0f55c41d2f497ff578ff371606734766ba89b66c16fe21378b96d95b2
PDF
Publication pagea1ff68a0ddc5ce0b355a93a013842d83ea5480474687f22413d930b7751864db
Manifest0903d7c7dbcd4a9dd5965a99d344e38b69d7f85166804921c60643c28472df40

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
SignatureaHHz+KiU0Rdj/2JXvTxq6ztmCei7+i6mrk8ffHZKJbN2YN11y1ybFqXmNMMnznBzl2uuPAnESDlvWU+I5Af5CA==
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

2026-09-17T10:26:33.456303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069742
observed a1ff68a0ddc5ce0b355a93a013842d83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.438149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069742/manifest.json
observed 0903d7c7dbcd4a9dd5965a99d344e38b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.421237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069742/publication.md
observed 14d5a6a0f55c41d2f497ff578ff37160...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:33.404131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069742/publication.txt
observed 265ee81f79352c7c2948b96aca6b837a...
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.