OpenTechnical

OT-2026-000086304

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, sustained blow-off before 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-2026-000086304) never changes.

Identity and time

Publication numberOT-2026-000086304 · never reused
Internal UUID01a0ae9a-2c95-756b-b592-9006ab8e5967 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086304
StatusPUBLIC

Content hashes

Canonical textbfda986e892c01772a6b4ff50fa7416d9edea4c0665bd6c89b423f6bd751690b
Markdown463ee0e17b350b8af2fb8addfe0de1fd6f286c6323232136458a0bd698c49671
PDF
Publication pagefe526bc7cf2dd9e5c49c8a6cb82a4b5acd52ba8e3d676a893bc0df2c691a0457
Manifest57d94889f7543543e62442fff24bc07ab9fe6699b2f5a83c2559b78218d4b04a

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
SignatureeLtclPKtYnvJaZVczDs1a2EXJfQABT90lyRL9WzW1pDDltpxdg8lLdMTjmf0ZuL0LMuEPU91ziboisKKWlQIAA==
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

2026-09-17T09:51:59.083851ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086304
observed fe526bc7cf2dd9e5c49c8a6cb82a4b5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.065901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086304/manifest.json
observed 57d94889f7543543e62442fff24bc07a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.048067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086304/publication.md
observed 463ee0e17b350b8af2fb8addfe0de1fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:59.029204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086304/publication.txt
observed bfda986e892c01772a6b4ff50fa7416d...
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.