OpenTechnical

OT-2026-000061831

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000061831) never changes.

Identity and time

Publication numberOT-2026-000061831 · never reused
Internal UUID01a0ae8b-b8ac-7501-8bc4-e5fdd56a904d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061831
StatusPUBLIC

Content hashes

Canonical text0afa8613c609aee4015482a0d847eec65bd3a49a128ebcca1ce548597edddfc4
Markdowne893210a93690e21315db1ec6343324504a6180117456a219d46a46d9ee3daec
PDF
Publication pagef87d2db4505a7a9f789d3268714f8382c91655f757529cce7b9802477424a0b3
Manifest71521d27aa074edaffebd6fd22c9303d00d40e4aa49709f592586161d2694346

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
SignaturepynLmP2lwyRIQ/apWdbOqwvMC7BOUQOnnzjGXyLMtzVbcL2o8dQCOgD2vPDtJGwgQ2InggXocJabaItudjhUCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:40:34.226504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061831
observed f87d2db4505a7a9f789d3268714f8382...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.206935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061831/manifest.json
observed 71521d27aa074edaffebd6fd22c9303d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.184163ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061831/publication.md
observed e893210a93690e21315db1ec63433245...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:34.160548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061831/publication.txt
observed 0afa8613c609aee4015482a0d847eec6...
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.