OpenTechnical

OT-2026-000072700

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000072700) never changes.

Identity and time

Publication numberOT-2026-000072700 · never reused
Internal UUID01a0ae92-89d9-771c-b0bc-dc960a4cb1be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072700
StatusPUBLIC

Content hashes

Canonical textf9f3c9a82a90bb179499292f2bf419bf73e5a4ec23353c56f74c2d6c52a115b9
Markdownda37a351d889db2ac6a220d82e0d1a85412a3fe3a243b67c141b624a9765470f
PDF
Publication pagede0d9c189b9714fbe207ea0e35cadb68e0f57ed7bc0dcb9e5a90340f5a59f851
Manifest427de0b2b33f2b5620e04b826a9762835c0357c623d0640cdfbc31b2d2c7c55a

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
SignaturesxtojcOrUHtRFlf9pUz8s+roo/Ce7IZEORsx3rl6/Vmut65IC5WhwsnWoYMgVI/lCFn0/4KE4XWrYxVT32hdAQ==
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

2026-09-17T10:22:35.604894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072700
observed de0d9c189b9714fbe207ea0e35cadb68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.587371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072700/manifest.json
observed 427de0b2b33f2b5620e04b826a976283...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.570607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072700/publication.md
observed da37a351d889db2ac6a220d82e0d1a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:35.553392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072700/publication.txt
observed f9f3c9a82a90bb179499292f2bf419bf...
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.