OpenTechnical

OT-2026-000083474

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000083474) never changes.

Identity and time

Publication numberOT-2026-000083474 · never reused
Internal UUID01a0ae97-c965-77ae-aab9-fd7198ecc405 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083474
StatusPUBLIC

Content hashes

Canonical text912761083e9630e6616fe81267305d02ed6a2f123e524b0460fff4b56a5cf79f
Markdown70877108bcf834ccbdf1298fb67d5a09cdcba58918f237390a7de1d3e36199d3
PDF
Publication page464ac4b22b45a4711d05ce486c205d4c37ff746aee3aac19f9e626ed31e0c7e0
Manifestb54e54e0998bb54ed7fd4515389efec673768ec6b88b86b5cebae3f6d230d831

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
SignatureBhmBuEZCnXRJpLgcF/negnXetaWpdGFRNZ5e1jrWILbL4DIH109k6TbP6Ht2WvVJvzXH/cJyiN7cDUwtT1fzBA==
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

2026-09-17T09:57:53.786151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083474
observed 464ac4b22b45a4711d05ce486c205d4c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.769524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083474/manifest.json
observed b54e54e0998bb54ed7fd4515389efec6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.752868ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083474/publication.md
observed 70877108bcf834ccbdf1298fb67d5a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.736784ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083474/publication.txt
observed 912761083e9630e6616fe81267305d02...
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.