OpenTechnical

OT-2026-000102487

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pulsed 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-2026-000102487) never changes.

Identity and time

Publication numberOT-2026-000102487 · never reused
Internal UUID01a0aea4-858a-7975-8390-1e9c0a3ac639 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102487
StatusPUBLIC

Content hashes

Canonical textef2e69c4a4889c274139c24f6143b24cdae308f4afa4059d4f4c8a4020b072bc
Markdownfe777645add3ee25a899fa975968320bd306c3dbc9e1e3e038cb2df84409bab4
PDF
Publication page2a214fad32ffd8e573e6efa47f9134b9fc2f80e5185be31d59af3760a9c2946d
Manifestc7530ead31e7b0c0f4efcbd302f416cf66a33a4381a3b07ab80b646c52b053a2

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
SignaturegpN5dg7hQIUpy0z24DExtraJFkDQHzD6eVWvBow3fGabLXz+xNGoDDbm3fxr7/rR9Fv0X1zb0w8S3nrkA8c/DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:23:50.505190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102487
observed 2a214fad32ffd8e573e6efa47f9134b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.485734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102487/manifest.json
observed c7530ead31e7b0c0f4efcbd302f416cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.467872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102487/publication.md
observed fe777645add3ee25a899fa975968320b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:50.447470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102487/publication.txt
observed ef2e69c4a4889c274139c24f6143b24c...
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.