OpenTechnical

OT-2026-000033507

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, three 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-2026-000033507) never changes.

Identity and time

Publication numberOT-2026-000033507 · never reused
Internal UUID01a0ae75-a38e-73d3-9521-4f1b7d2579da · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033507
StatusPUBLIC

Content hashes

Canonical textb01e7183a0be46e87e3b9ca919a293fff99053746fa5c9fee07309350469a218
Markdown8d5990dbb8ba07094b34b833b4e4bff918e228e6d437cd39cffdfb0e426686de
PDF
Publication page587536f24ce19e0b5753cfcb0e2306f99d35751953952b05c362c0c79172ca6f
Manifestbe5de8c010081303a1bdcbe3dd2fa05e1713df3f2b84ce277f1ff60502504147

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
SignaturerzO/AM73slAAUqcDbmLL5BGHyccJKuDTEF8+Ps1kxVG5UMYePxgQj4dXokWM3dHK0hmCOR0goZxzw/LatVrgBg==
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

2026-09-17T11:31:21.581816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033507
observed 587536f24ce19e0b5753cfcb0e2306f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.562913ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033507/manifest.json
observed be5de8c010081303a1bdcbe3dd2fa05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.545169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033507/publication.md
observed 8d5990dbb8ba07094b34b833b4e4bff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:21.524332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033507/publication.txt
observed b01e7183a0be46e87e3b9ca919a293ff...
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.