OpenTechnical

OT-2026-000050470

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000050470) never changes.

Identity and time

Publication numberOT-2026-000050470 · never reused
Internal UUID01a0ae82-5c48-7d71-bdbd-ac40b13a451b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050470
StatusPUBLIC

Content hashes

Canonical text645bbfdd482bcc32e782766bee7c4f1b18869ff5c24e737c4753c5014db1695d
Markdownfec8205cbe4ae503b4acb6ea3ee4266814bd8bf7a9c07142762b21a54260c471
PDF
Publication page0f3364bdd8025d785a5db144f2fd64b3d4e6681f4798830d682ec73f0d29e9e3
Manifest9357810c515d5421fec4c606dcfe470c9925f41eb1ae98fc60b20dcea9613ec1

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
SignatureR3u+sE3nnYA7pA5DIBlxeTCTL2AfhzBKoWUD/wcfT0jfG1yPCWdQ7+vbrcLKGZR9KsINbWuYRSnZdzAz3P6eAg==
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

2026-09-17T11:01:31.347702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050470
observed 0f3364bdd8025d785a5db144f2fd64b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.331225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050470/manifest.json
observed 9357810c515d5421fec4c606dcfe470c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.313720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050470/publication.md
observed fec8205cbe4ae503b4acb6ea3ee42668...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:31.296824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050470/publication.txt
observed 645bbfdd482bcc32e782766bee7c4f1b...
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.