OpenTechnical

OT-2026-000066454

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000066454) never changes.

Identity and time

Publication numberOT-2026-000066454 · never reused
Internal UUID01a0ae8e-ce40-7898-8a0a-59a9a1493265 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066454
StatusPUBLIC

Content hashes

Canonical text887bd1721009c1e780e33590ce84b80f26086dcfc8215241d867cd65f67a2591
Markdown12743ca42b776b46804d234359831f4951d375157569dcaa6512a593057f951c
PDF
Publication page2d2d29e2241ea56e4dc7dd2d6aee09423a1e3d6aa0aadf9910dcd879431a8f56
Manifest0b772116dd48e762b6fa79f669aebc1c9f4855a50cfb6f4f37ae67ef3727bc97

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
SignatureC+5vmrUoU0N5Mxiw1OKMNofhQ4c2a6mou2Bmqhjp6u3jpxkKnENBEZV3g4Phg4O+LMCGFjPVaDtltd1B06gYDQ==
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

2026-09-17T10:32:42.137899ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066454
observed 2d2d29e2241ea56e4dc7dd2d6aee0942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.122781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066454/manifest.json
observed 0b772116dd48e762b6fa79f669aebc1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.106922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066454/publication.md
observed 12743ca42b776b46804d234359831f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:42.089451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066454/publication.txt
observed 887bd1721009c1e780e33590ce84b80f...
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.