OpenTechnical

OT-2026-000027278

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off before 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-2026-000027278) never changes.

Identity and time

Publication numberOT-2026-000027278 · never reused
Internal UUID01a0ae72-6996-7510-af6f-2c0369b7ef0e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027278
StatusPUBLIC

Content hashes

Canonical text61b58164b22c22913866119c775acdf5d3ddc853d5f09c93f3ad33736aec1f87
Markdownefb5d6e1928be44f3994f8000b5bf49ac9363b9e3502514ffe3f14f8e694b06a
PDF
Publication pagea21248449c342381948e18b647c69b3d31a7461377617123b8ee06ce1b9902c0
Manifestcfc13e8647de48c971b665178542bcb2d761095a9bae20edae7332f3af9ac89a

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
Signature23SuTZixNQgrmLtlHfHZ04gItCIYPs6wP5s8zw8VGAfli7tVBjceUpav1yoFdDnSpqcF+slUkiksVzmAdqirAw==
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

2026-09-17T11:42:39.853862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027278
observed a21248449c342381948e18b647c69b3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.837447ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027278/manifest.json
observed cfc13e8647de48c971b665178542bcb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.818370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027278/publication.md
observed efb5d6e1928be44f3994f8000b5bf49a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:39.799549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027278/publication.txt
observed 61b58164b22c22913866119c775acdf5...
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.