OpenTechnical

OT-2026-000069648

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000069648) never changes.

Identity and time

Publication numberOT-2026-000069648 · never reused
Internal UUID01a0ae90-b52c-7dab-a383-7d5df0f3667d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069648
StatusPUBLIC

Content hashes

Canonical text13d0fb26ad9632856de0c00cd8a022c9ad4a310247d8aec320547fa8f2cce40c
Markdown0dd968e7d063b40f3bddd31bc07cfe8ebb83ff2ddb99ce3541b12f634d33e8f9
PDF
Publication page488b59ea654435c93b78cf3af374666fec873086ebd827818aa28b4ad5f49d97
Manifest3608bb80a963b0f5353f14096ecb56bf22a59bf2e20c1b779faa21259abd6441

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
Signaturenw/6yQo8B5b2CnqBaEFQX7y7PCNMX3tCncO9yIXJk7LmSclc1rwvbvOFUIDeHDhpUUk5H8dqhzfi/Xh1ySCPAA==
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

2026-09-17T10:28:18.850024ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069648
observed 488b59ea654435c93b78cf3af374666f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.831042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069648/manifest.json
observed 3608bb80a963b0f5353f14096ecb56bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.813985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069648/publication.md
observed 0dd968e7d063b40f3bddd31bc07cfe8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:18.794372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069648/publication.txt
observed 13d0fb26ad9632856de0c00cd8a022c9...
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.