OpenTechnical

OT-2026-000018323

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, single stage ejector, 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-2026-000018323) never changes.

Identity and time

Publication numberOT-2026-000018323 · never reused
Internal UUID01a0ae6e-b489-7b1e-8b72-9aa4753b6b5f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018323
StatusPUBLIC

Content hashes

Canonical text2af31d0b4584689cac0298308f57d93de60cf3246ddec8332189fbdf18cc54df
Markdown9fe84faf1f934b52c69b0eb9c5bc7c9058624068986224679c75719757e65d98
PDF
Publication page1510b6f2678724291c85a5de6e986d7b90d12d1ace5155bdc02edddceb0b9fc0
Manifest72d374a440158f12e8fd26c845b3567d52b2bae3694bdc3c8e17f5abddf80b1a

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
SignatureEGVojqU9U6mxaOrgUamzeWKVpL/3uJD3XpWR7MiGXWHCG9sxvSYixsu+sQt0TMMsFdU43USHkbC1Uj/shGTtCA==
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

2026-09-17T12:01:03.724552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018323
observed 1510b6f2678724291c85a5de6e986d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.708494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018323/manifest.json
observed 72d374a440158f12e8fd26c845b3567d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.692031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018323/publication.md
observed 9fe84faf1f934b52c69b0eb9c5bc7c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:03.676266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018323/publication.txt
observed 2af31d0b4584689cac0298308f57d93d...
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.